The scale drawing of a building has a height of 10 centimeters. The actual building is 20 feet high. How many centimeters in the scale drawing represent one foot on the actual building?

A 30

B 1/2

C 10

D 2

Sawsan recorded the favorite sport of students at her school. she surveyed 200 students. how many students chose tennis?

If the square of a positive integer is added to 2 times the integer the result is 48. find the integer.

Find the radius of a circle that has a circumference of 16. the formula for the circumference of a circle is c = 2tr, where r is the radius and c is the circumference. the equation solved for r is r = c over 2π. r=4 r= 8 r=12 r= 16