4x+3y=7 - (4x+y=9)

Subtract it

donovan is going to add many numbers. each number will use only the digit 1. what is the greatest number of addends donovan can use without having to regroup?

A halogen-lighting manufacturer packs 64 halogen lamps ink a cube-shaped container. the manufacturer has been asked by his distributors to package the lamps in a smaller container that holds 8 lamps. Write the number in exponential form

Elisa's cow give 1 3/4 gallon milk each day. How much is this in quarts? Write your answer as a whole number or a mixed number in simplest. Include the correct unit your answer

Find the missing factor of 164 * __?__ = 164 wait is it cero? I think it is but just to be sure lol

What percent of 75 is 18.75

Michael and Alexandra left their home at 8:00am to drive to new york. Michael drove at 55 miles an hour and arrived at 5:00 pm. Alexandra drpvw at 45 miles an hour and arrived at the same place as Michael. At what time did Alexandra arrive?

The graph of a proportional relationship passes through (9,18) and (1, y). Find y.

If 40% of a number of 56 what is the original number

Steve watched television for 3/4 hour on monday and 5/6 hour on tuesday how much longer did he watched television on tuesday than monday

What is - v+5+6v=1+5v