What is 5x to the 2nd power, if x equals 7

2 times the sum of a and b

The sum of three times a number and 2 less than 4 times that same number is 15. Which of the following equations could be used to find the value of the number n?

Write an integer for $50 withdrawal

Marc earned $9.37 per hour working in the library. Round his wage to the nearest ten cents. Tell me how the cookie policy goes.

Find the value of arc cos 0

Select the correct numeral form of this number written in scientific notation. 5.0 * 10^10 0.000 000 000 5 5,000,000,000 50,000,000,000 500,000,000,000

John has a bag of marbles that contains 12 red marbles 20 green and 17 blue. if john pulls one marble what is the probability that it will be a purple marble

Solve for x: 2 over 3 (x - 4) = 2x. 2 - 2 - 8 - 4

kyle mom made a pone and a cake. she cut the pone into 6 equal parts and the cake into 8 equal parts. his family ate 3/4 of the cake. if his family ate more cake than pone. what fraction of the pone coulh have been eaten.

A Cashier at the local bank is expected to serve 12 customers every hour. In the past 15 minutes, he served 4 customers. Assuming the the cashier continues to work at the same rate, will he meet his goal? Explain