Calvin wants to buy for books at 4.89 dollars each estimate how much change will get back from two $10 bills

Michael will be travelling out of town for business. During his travel, he is scheduled to have 4 dinners, 5 lunches, and 3 breakfasts. His employer will pay him for these meals at the following rate: $ 22.65 for dinner, $ 10.95 for lunch, and $ 6.

What is - 13 minus a positive 13 and 89 minus a positive 107?

Is your answer reasonable compare your estimate from a to your answer from b. Write a sentence to explain your reasoning

3x=2^x+1 Determine the number of solutions to each equation. Then place each equation in the box that corresponds to its number of solutions.

A boy that is 6 feet tall casts a shadow that is 3.5 feet long. if a pole cast a shadow 12.2 feet long, then how tall is the pole?

What adds to - 3 and multiplies to - 54

White the number 876,543,210.25 in expanded notation

What is the area of a triangle that has a heaight of 5 feet and a base length of 4 feet

Susan will spend less than $39 on gifts. So far, she has spent $21. What are the possible additional amounts she will spend?

The diameter of a circle is 26 m what is the circles circumference