In ΔABC, AB = 20 cm, AC = 15 cm. The length of the altitude AN is 12 cm. Prove that ΔABC is a right triangle.

If the circumference is 12 pi what is the area expressed in terms of pi. Group of answer choices 144 pi 6 pi 22 pi square 36 pi

Find the percent change in price a. a prices increases from $12 to $15 and b. a price descreases from $20 to $12

Determine the intercepts of the line. - 4 x + 7 = 2 y - 3 - 4x+7=2y-3

Parallelograms ABDC and EFHG are similar. If side AC equals 4 units, side AB equals 16 units, and side EG equals 32 units, what is the length of side EF?

A section representing 20% of a circle graph has an angle measure of 20°. True False

Robert collected 330 aluminum cans. If 100 aluminum cans weigh 4 pounds, and the recycling center is paying 25 cents a pound, how much will Robert be paid for his 330 cans?

A single box of thumb tacks weighed 3 1/2 ounces. If a teacher had 4 1/7 boxes, how much would their combined weight be

A triangle has an area of 80 yd22 and a height of 10 yd How long is the base of the triangle? Enter your answer in the box.

What is 9 and 8/15 plus 11 and 5/12?

What is 2 + 8 equal to