Chris earns $10.00 each time he washes his neighbor's car. The expression 10x represents Chris' earnings. What does the variable in the expression represent?

Expand the following: a. x (x+5) b. x (3x-1) c. 2x (2x+3) d. 5x (x-3y)

It takes 20 drops of rain to make 1 milliter. how many drops would it take to fill a 50-gallon rain barrel?

Determine whether the data described are qualitative or quantitative and give their level of measurement. If the data are quantitative, state whether they are continuous or discrete.

Write the standard equation of the circle with center (-3, 5) and a diameter of 18.

Find the value of x 13n-6n=14

Express the area of the square as a monomial 8g^3h

Geoffrey and his babysitter spent 20 minutes preparing dinner, 2 hours and 30 minutes playing board games, and half an hour making dessert. How many minutes did they spend doing these activities?

Your family plans to start a small business in your neighborhood. Your father borrows $10,000 from the bank at an annual interest rate of 8% for 36 months. What is the amount of interest he will pay on his loan?

Dermine which of the four levels of measurement (nominal, ordinal, interval, ratio) is most appropriate. The rankings of songs in the top 100. a) Ordinal. b) Ratio. c) Interval. d) Nominal.

When you reverse the digits in a certain two-digit number you increase its value by 27. find the number if the sum of its digits is 15?