Need this quick!

Find the sum.

7 х + 15 х=

A. 21x

B. 21x^2

C. 22x

D. 22x^2

A parking lot charges $2.50 for the first hour or part thereof, and $1.25 for each additional hour or part thereof. what is the greatest number of hours gwen parked if her total fee is $10

Prove that angles formed by the noncongruent sides of a kite are congruent (Hint: Draw a diagonal of the kite.)

Find the percent of increase from 55 to 176. Round to the nearest tenth of a percent if necessary. A. 22% B. 68.8% C. 220%

Is - 8,070 + 904 positive or negative? A) Positive B) Negative

What is the simplified form of each expression? 7x^-8 * 6x^3

Which table represents a linear function? -3 -2 -5 AWN 12 24 -4 -2 0 - 4

What is the greatest common factor of pq5 and pq2

3 (.25) power unknown is greater than or equivalent to 9.16

Which expression lists the three consecutive integers starting with a number x? A. x - 1, x, x + 1 B. x + 1, x, x + 2 C. x, x + 2, x + 4 D. x, x + 1, x + 2

Which of the following best describes the solution to the equation below? 8x + 5 = 8x + 5