HELP ASAP 1.Which number or symbol is a variable in the following algebraic expression?

5 + 4y x 32

a 5

b 4

c y

d 2

2.Convert the following word phrase to an algebraic expression:

9 less than a number.

a x - 9

b 9 -x

c 9 ÷ x

d x ÷ 9

-7

step-by-step explanation:

x^2 + 18x + 74 = (x + 9)^2 - 81 + 74

= (x + 9)^2 - 7.

so q = -7.

equal to

step-by-step explanation:

step-by-step explanation:

it will be a cylinder. with a diameter of 8 and 4 single pieces high

idk

step-by-step explanation: