Rosana used linear combination to solve the system of equations shown. She did so by multiplying the second equation by a certain number to eliminate the y-terms. What number did Rosana multiply the second equation by?

Choose a number between 61 and 107 that is a multiple of 3, 9 and 12

Estimate this answer to the nearest whole number. 48.76 + 22.98 + 7.53 =

I need to show my work 1748 divided by 76

The candy store is having a 30% off sale. Emma is going to buy $7.50 worth of candy. How much will she pay after the discount?

Deana had 3 times as many books as hilary, if they had 60 books altogether, how many books did Deana have?

There is a book that is 8 inches long, 5 inches wide, and 2 inches thick what is the volume of the book?

A ball is thrown into the air with an upward velocity of 36 ft/s. Its height h in feet after t seconds is given by the function. In how many seconds does the ball reach its maximum height? Round to the nearest hundredth if necessary.

32 divided by 258.24

If Maria travels at a rate of speed of 50 mph, How far does she go in an hour?

Martin, grace, and 6 of their friends each share 600 pennies equally. grace reminds the friends in the group that 100 pennies equals $1.00. how much of $1.00 does each person get?