Find the average of the first six composite numbers

The lengths of the sides of a triangle are in the extended ratio 6 : 7 : 10. The perimeter of the triangle is 115 cm. What are the lengths of the sides?

What is the greatest number of of acute angles that a triangle can contain?

Explain how to write 4/80 as a decimal and as a percent.

A country's Department of Wildlife hires Elizabeth to estimate its wild goat population. Elizabeth catches 75 goats, tags them, and releases them. Then Elizabeth uses binoculars to observe a group of 260 goats, 25 of which are tagged.

When a pair of shoes is sold at 12.5% discount, the selling price is 78.75. Find the original price of the pair of shoes and the amount of discount

The sum of 5 and four times a number is - 11?

Which of the following sets is closed under division? A. Natural numbers B. Non zero intergers C. Irrational numbers D. Non zero rational numbers

Write 4.48 as the quotient of two integers. A. 75./336 B. 118./25 C. 336/75 D. 336/150

How do you say 58.7 in word form? Hundredths or tenths?

Multiply and simplify: sq rt 7x ((sq rt x) - 7sq rt. 7)