At a school fair, 70% of the people are under 16 years old. One-third of the people remaining are teachers. If

there are 21 teachers at the fair, how many people are there at the fair total?

Ronnie wants to put 1/12 of a pound of bird seed in each of the bird cages. He has 2/3 of a pound of bird seed left to use. How many cages can he refill with bird seeds?

The circle below has center D. Suppose that m BC = 66º. Find the following.

Charlotte is creating a triangular pennant with geometry software. The base measure of the pennant on screen is 550 pixels. The height is 275 pixels. Charlotte resizes the pennant, keeping the aspect ratio constant, so the height is 165 pixels.

The juice boxes come in packs of 6 The cookies come in packs of 8 If I want an equal number if juice boxes and cookies what is the minimum number of juice boxes should I buy?

The pyramid shown has a square base that is 3232 centimeters on each side. The slant height is 2424 centimeters. What is the lateral surface area?

A sand volleyball court has an area of 162 square meters and a perimeter of 54 meters. What are the dimensions of the volleyball court?

If a number is a multiple of 64, then it is a multiple of 8. If a number is a multiple of 8, then it is a multiple of 2.

2.38+4.89=3 + _ changing expressions?

The tax rate is 7.5%. What is the tax on $110? round to the nearest hundreth.

Find the unit rate of 42 teaspoons for 6 cups