Maya's computer screen has a ratio of width to height of 4:3. If her screen is 28 inches wide, what is its height?
A 37 inches
B) 27 inches
C) 28 inches
D) 21 inches

If kn = 9 cm, mn = 21 cm, rs = 42 cm, and ps = 18 cm, what is the scale factor of figure klmn to figure pqrs?

Some boys and girls were asked if they had a pet. one third of the group were boys. there were 20 boys. 20% of the girls had a pet. boys with a pet : girls with a pet = 1 : 5 i need to know how many girls there are.

Write a function for a rotation 90 degrees counter clockwise about the origin, point 0