A school paid $31.25 for each cakculator.

a. If the school bought x calculators, how much did they pay?

Twelve of the 20 students in Mr. Skinner's class brought lunch from home. Fourteen of the 21 students in Ms. Cho's class brought lunch from home.

A right rectangular prism has a length of 8 inches, a width of 9 inches, and a height of 10 inches. If a plane slices the prism in half, parallel to its smallest face, which of the following describes the shape of the two-dimensional cross-section?

a red ball and 4 white ball are in a box if two balls are drawn without replacement, what is the probability of getting a red ball on the first drawn and a white ball on the second

What is the solution of the system? Use the elimination method. 2x + y=20 6x - 5y = 12 Enter your answer in the boxes

Is the expression 2x-2 equivalent to the expression 2 (x-2) ? Explain.

On the weekends, paul jogs 9/10 mile. on the weekdays, paul jogs 5/10 mile. how many more mile does paul jog on the weekends than on a weekday

A marker was placed at an altitude that is 15 feet below sea level. What interger represtens this altitude

Write the number described by 1 ten and16 0nes

A national park has a population of 400 koalas. If the koala population is expected to increase by 3% p. a., the expected number of koalas in the National Park in 4 years, time will be: A) 448 B) 450 C) 480 D) 500

Jane is x years old today. her brother kenny is 4 years older. after 7 years, their combined age will be 24 years. write a linear equation for their total combined age after 7 years.