4.) Carrie Lynn simplified the expression mat at right using circles and arrows as shown. She recorded the number 7 as the simplified algebraic expression. Was she correct? If so, explain what she did. If not, show how to simplify correctly and record a new algebraic expression. flip =+1 O=-1

Q: 7.) Terry is $120 in debt. He needs to make $140.20 in order to pay for his college books this…

A: We need to find the amount Terry need to. Earn to pay of his debt and pay his college books fee.

Q: x+y equals when x= 6 and y = -9.

A:

Q: 3.) Kenneth had $27 in his bank account but then had to spend $43 on a friend's birthday present.…

A: Lets say he has $x in his account after the purchase! Now since he spends $43 on birthday present,…

Q: Simplifythe following expression, given that X=-7:   6X+4=

A: The given expression is  6X + 4

Q: Represent the following sentence as an algebraic expression, where "a number" is the letter x. You…

A: We have to represent the given sentence as an algebraic expression, and take "a number" as the…

Q: Evaluate the expression -x²+5x+8 for x =-4

A:

Q: Hugh made a recipe that yields 8 and 1 over 2 cups. If each serving is 1 over 4 cup, which…

A: It is given to us that A recipe yields = 8(1/2) cups and, each serving is = (1/4) cups.

Q: Evaluate the variable expression when a = 3, b = 5, c = -4, and d = -3. ba number

A: To evaluate the expression for the given values, we substitute the values into the expression and…

Q: 2. Write a division and multiplication expression to represent the diagram. Division Expression: 2 /…

A:

Q: Simpliry the following expressions. 1.

A:

Q: on-computer mathematical expression into computer expressions.

A: discriminant = b * b - 4 * a * c; root1 = (-b + sqrt(discriminant)) / (2 *a) ;

Q: Jolene is buying bottles of soda that cost $1.50 and juice that cost $2.50 each. Altogether she buys…

A: Given that cost of one bottle of juice is $2.50Th number of bottles juice she buys is jWe need to…

Q: Riley and Rhonda plan to buy to buy several bags of dog food and a dog collar.Each bag of dog food…

A: Given Information - Cost of each bad of dog food = $7 Cost of each dog collar = $5 We have to write…

Q: Simplify each algebraic expression. (A) 7x³y +9+ 6xy - 7xy-21-7x'y

A: For the given expression 7x2y+9+6xy-7xy-21-7x2y  is  -xy-12

Q: To get to school in the morning, Tom walks 0.5 miles to a bus stop, takes the bus 1.4 miles to the…

A: We have to find out

Q: You decide to begin selling caramel apples at the local art festival. Your cost for each caramel…

A:

Q: Grandpa Jamal and Grandma Vanessa gave money to their 15 grandchildren to divide evenly among…

A: Here, I give detailed answer. Hope you understand

Q: What algebraic expression is equivalent to four more than negative eight times a number? a-8x +4…

A: A statement can be converted to an equation by first denoting the unknowns in the problem by…