When Jessica multiplied 2x3x15, she touched a key on her calculator 7 times. If she multiplies all the numbers from 3 to 21 (including 3 and 21), how many times will she touch a key on her calculator?

Six less than two times a number is no more than 7

Is it possible for a composite number to have more than one prime factorization? Is it possible for a number to have no prime factors? Why

180 miles in 3 hours per 3 as a unit rate

Three more Than the quotient of a number and 2 is equal to 7

6. The length of a rectangle is 8 cm more than twice the width. The perimeter of the rectangle is 34 cm. What is the width and length of the rectangle?

If (m, 1) is on a circle with center (8, 1) and radius 7, what is a value of m? A) m=1 B) m=-1 C) m=14 D) m=-8=-+sqrt33

Solve the system of equations: what is the y-value in the solution? 3x - 5y = - 16 and 2x + 5y = 31 A. 5 B. 3 C. 2 D. 4 Solve the system of equations: what is the y-value in the solution? 3x - 5y = - 16 and 2x + 5y = 31 A. 5 B. 3 C. 2 D. 4

Emily just hired a new employee to work in your bakeshop. In one hour the employee burned 650 chocolate chip cookies. If this represented 13% of the day's production, how many cookies did you plan on producing that day?

The quantity 4 minus x, divided by 3

Find the mean and median of the data. 8 1/2, 6 5/8, 3 1/8, 5 3/4, 6 5/8, 5 1/4,10 5/8, 4 1/2