9 (2x-5) = 45 what is the value of x

Write a polynomial with roots r1 and r2 if 1. R1 + r2=4 2. R1 x r2=4

You are 3 years less than twice the age of your sister. Let s be the age (in years) of your sister. Write an expression for your age in terms of your sister's age.

Which of the following terms is mismatched with its example? a. Bias - Cases tend to have a better recall on past exposures than controls b. Bias - Spring balance shows variation in measurement due to fluctuations in room temperature c.

How many monthly payments must be made for a 2 1/2 year loan?

Write each fraction as the sum of two fractions with different denominators. a) 1/2 b) 3/4 c) 9/10

If the squareof a positive number is increased by 3 times the number the result is 54 find the number

Volume is the amount of space an object takes up. False True

How many? one-to-one correspondences are there between two sets with 7 elements? each?

The circle x2+y2=36 is translated 5 Units left and 4 units up where is the center of the new circle after the translation

The amazon river is 4,000 miles long, The Yangtze river is 3,964 miles long, and the nile river is 4,145 miles long. Write the steps you would use to order the lengths of the rivers, in miles, from greatest to least.