What is the percent change from 72 to 90

A tunnel with a parabolic arch is 12m wide. If the height of the arch 4m from the left edge is 6m, can a truck that is 5m tall and 3.5 m wide pass through the tunnel?

If a = 3 and b = 5, find. 2/8 3/8 3/5

Which of the following samples would be most representative of the entire student population? A. surveying every boy in a gym class. B. surveying every girl in an art class. C. surveying every teacher. D.

A right triangle has one angle that measures 23 degrees. The adjacent leg measures 27.6 cm and the hypotenuse measures 30cm. What is the approximate area of the triangle?

What is the exact value that is 59% of 2302?

What is the difference? Express your answer in lowest terms. - 1/10 - (-8/10)

A and b are positive integers. Find 2a+3b if a^2b^3=108

What is the greatest common factor of 4k, 18k4, and 12?

How do you subtract mixed fractions such as 3 4/3 - 4 4/5

If sally had 2 apples and gave them to Jake, but Jake already had 500 how many does Jake have now?