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Let n be a positive integer. Prove that there exists a positive integer m > 1000 with the following two properties: m's last 3 digits are 007, and m is relatively prime to n.

James wants to pour a patio that is 18' x 20' he wants the concrete to be 6 inches deep how many cubic feet of concrete mix are needed for the patio.

If Steve multiplied his purchase price by 1.08 to get his total bill, what percent sales tax was he paying?

An investment of $5,000 gains 10% in the first year and loses 1% in the second year. What is the value of the investment after two years?

Select the symbol = (equal to) or ≠ (not equal to) to make the expression true. {2, 4, 6}? {6, 4, 2}

Lita estimates she will read 24 books during the summer. She actually reads 9 books. what is the percent error of her estimate?

We mathematical induction to prove the statement is true for all positive integers n. 8+16+24 + ... + 8n=4n (n+1)

How do we know that it's a parallel line

The Rivera family drove 267.9 miles from their home to Cape Cod, Massachusetts. They used 9.5 gallons of gas. How many miles per gallon of gas did they get on the trip?

What is the product? - 3 4 2 - 5 3 - 2 1 0