A box contains 6 red and 8 green marbles. You reach in and remove 3 marbles all at once. (a) Find the probability that these 3 marbles are all red. (Enter your answer as a fraction.) (b) Find the probability that these 3 marbles are all of the same color. (Enter your answer as a fraction.)

Q: Let ā= and b = . Find 3a + 3b.

A: Given:a→=-3,-2,3 and b→=-3,5,2We need to find 3a→+3b→.

Q: 9w2=12w+5

A:

Q: 2x2 - 3x- 15 = 5

A: Here we have a polynomial to solve for values of x.

Q: –x + 3y = 6  x + 3y = 18

A:

Q: H.W -2t o g+8g+254 =で9O20,j020

A: Given the second order differential equationy"+8y'+25y=e−2t

Q: $3000. 300-€ e

A: Given :e∫3300-tdt

Q: 832+ 64x2² dx

A:

Q: 3a+4b=5a-t

A: See this solution in below.

Q: -1 -3t, t

A:

Q: squareroot z+8=3

A:

Q: (4x)2

A: To evaluate(4x)2

Q: 1 2e10 - 3 da e5z

A:

Q: 7x4 28x7

A: Given that,       7x428x7 = 14x3     (By exponent rule    xmxn=xm-n)

Q: 2a+3a=c

A:

Q: 4 5x2 Evaluate dx. TV3x2-1

A:

Q: бу 16y + 8 12y +6 7

A:

Q: Find (8, - 9):(1, 8).

A: Given that, the vector expression is 8,-9·1,8.

Q: -3a + 12a

A: -3a+12a=9a