mary is 3 years less than twice as old as her sister. mary is 11 years old. write and solve an algebraic equation to find mary's sisters age.

What is the answer for this equation? 8s = 96

An object is completely submerged in a liquid of density 0.65 grams per cubic centimeter at a depth of 3 meters. What is the total pressure on the object? State your answer in atmospheres. (Round your answer to to three significant digits)

The sum of three consecutive integers is 18. Find the integers.

Simplify Y squared + 11Y minus 6Y plus Y squared

The width of a rectangle is 3 less than twice its length. if the area of the rectangle is 193 cm 2 cm2, what is the length of the diagonal

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