Nancy's Lawn Care specializes in residential lawn cutting and fertilizing. Nancy, the owner, has tracked his income and expenses. She has determined that her profit can be represented by the expression $5A, where A is the area of a lawn in square metres. The time, in hours, that it takes her to maintain a lawn is approximately 0.054 + 0.25. a) Write a rational expression for Nancy's profit per hour. b) Evaluate the rational expression you wrote in part a) for a lawn with an area of 90 m².

Q: A trapezoid is a four-sided figure with exactly one pair of parallel sides. The expression h(B + b)…

A: Given b=7,h=5,B=15.

Q: Finbar bought his home for $150,000 in 2010. Property values have increased 10% every year since he…

A: Given, in 2010 Finbar bought his home $150,000 property value increase 10% every year, To find the…

Q: d (x+;

A: Here we use chain rule of differenciation.

Q: Julianne works as a waitress. She earns $13 per hour plus tips. a. Today she worked x hours. Express…

A: Given: Julianne earns $13 per hour. In a day she worked x hours.

Q: I want to start training to become an Olympic swimmer. I currently have a square pool in my backyard…

A:

Q: If g is the number of girls in a class and b the number of boys and if there are fifteen more girls​…

A: Answer :  According to the question,  It says that if g is the number of girls & b is the number…

Q: Express the total revenue R as a function of the price p per item when q = -5p + 1200

A:

Q: If a company produces x child car seats, the average cost c (in dollars) to produce one car seat is…

A: