Which of the following is equal to 8? A. The square root of 49
B. The square root of 100
C. The square root of 64
D. The square root of 81

How can you tell when x and y are not directly proportional?

Ireally need subtract and simplify.(-y^2 – 4y - 8) – (-4y^2 – 6y + 3)show your work, ! i will mark you brainliest but you have to show your work.

According to the general equation for conditional probability if p(anb)=3/7 and p(b)=7/8 what is p(a i b)