Mary is 12 years old now, and is three times older than her sister. how old will mary be when she is twice as old as her sister?

A submarine is cruising 8 meters below the surface. The captain orders a dive of another 17 meters. What is the new cruising depth of the submarine in meters?

Suppose the average client charge per hour for out-ofcourt work bylawyers in the state of Iowa is $125.

Ellen thinks that if a line has no slope, then it never touches the y-axis. Which line proves that her statement is incorrect? A.) x = 0 B.) y = 0 C.) x = 1 D.) y = 1

Carlos operates a helicopter. Carlos decides to measure the rotational velocity of the helicopter blades. What would be an appropriate unit for Carlos's purpose? A.) meters/second B.) degrees/square second C.) degrees/second D.) meters/square second

A rectangle has a height of x and a width of 7x-4 what's the area

A flower bed has the shape of a rectangle 7 yards long and 4 yards wide. what is its area in square feet

A store buys 77 1 2 pounds of mulch in a large shipment. They divide the mulch up into bags that can each hold 2 1 4 pounds. The store sells one bag of mulch for $2.25. For each part of the question, show your work.

Which one of these is not like the other 25,60,35,20,22

Which number is its own opposite

Simplify 4-6+2x-9x-8