Is x^ (-2) + 5 a polynomial expression? Why or why not?

Paul saved $13 a week for 5 weeks. He then saved $7 a week for 6 weeks. How much money did Paul save in 11 weeks?

How do you round 45 to the nearest 10

In the diagram, is a diameter of the circle with center O. If m = 50°, what is m?

The function M (s) = 225 + 0.65s represents the material cost of manufacturing gardening scissors when s scissors are produced. The function L (s) = 54 + 1.15s represents the labor cost for producing s scissors.

Which two numbers add up to 27 and mutiply to - 160

A random sample of museum visitors were asked whether they will purchase tickets to an upcoming exhibit. The resulting confidence interval for the proportion of visitors who will purchase tickets is (0.1,0.2). What is the margin of error?

Write the quadratic equation whose roots are - 4 and 1, and whose leading coefficient is 4

Millie went shopping and took £60 to spend. she spent 1/2 of her money on a pair of shoes, she then spent 2/3 of what she had left on a pair of jeans. how much money did she have left at the end of her shopping trip?

Circle two addends to add first. write the sum 7,3,3

TK-119 has a 20% salt solution in it and contains 27,000 gallons. How many gallons of the solution are salt?