alexis bought x boxes of cereal for $3 each, including tax, and paid with a $20 bill. Which expression the total amount of charge she should receive?

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?

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.

Mila factored m2 + 12mn + 144n2 as shown. I know that since = m and = 12n the first and third terms of the trinomial are perfect squares. This means that m2 + 12mn + 144n2 = (m + 12) 2. Comment of Mila's strategy.