A pair of diamond earrings has been marked up 50% and is now selling for $198.00. How much were the earrings before the mark-up?

elsi purchased 2 boxes of party in vitations for 6.83 each. She mailed 23 party invitations to her friends and relatives. The cost to mail each invitation was $.48.

The number of hours walked varies inversely with the speed of the walker. if it takes sam 12 hours to complete his walking goal at 5 miles per hour, how long would it take him at 3 miles per hour?

If b=a+3, then (a-b) exponent 4

Matrix A has dimensions 1 x 4. Matrix B has dimensions 5 x 1. These two matrices can be multiplied. True or false

Sari has 3 times as many pencil eraser as sam they have 28 eraser how many eraser does sari have?

What is the ratio of two soccer balls to six footballs

The first four terms of a sequence are shown. 16, 48, 144, 432, ... What is the explicit function, f (n), that defines the sequence? Explain how you determined your answer. Write your answer in the space provided.

Explain why a graph that fails the vertical-line test does not represent a function

If jack has 2 apples, how long would it take him to go to the sun and back to the earth if he lives in Kiln, Mississippi and started at 12:00pm

How many inches are equivalent to 2 meters? Round your answer to the nearest tenth. The measurement 2 meters is equivalent to inches.