Which answer shows the following expression in simplest form? y(2.5 + 7) + y - 2

A 10.5y - 2

B 3.5y - 5

C 2.5y + 9

D 10.5y + 2

(its a pre test but i still wanna do good)

Find csc x if sin x + cot x cos x =√3 a. 9 b. 3 c. √(3)/2 d. √(3)

Leo is going to use a random number generator 4 0 0 400 times. each time he uses it, he will get a 1 , 2 , 3 , 4 , 1,2,3,4, or 5 5. what is the best prediction for the number of times that leo will get an odd number?

Solve the system of equations y= 3/2 - 1, -x+ y =-3