Matt says he can find the sumbof 45+50 without rewriting it. Explain how Matt can solve this problem using mental math.

The number of tens in 45 will increase by? So the sum is?

What is 2874992 rounded to the nearest 10000

Sara had some candy in her pocket. She first kept 2 pieces herself and then gave her 5 children 3 pieces each. If she didn't have any candy left over, how many pieces of candy did she start with

111+111=6 121+121=8 131+131=10 151+151=?

Which of these ordered pairs could not be a dilation of (8, - 4) ? answers: (2,-1) (2,-2) (16,-8) (4,-2)

You buy 12 tickets and the total is $120. a student ticket is $9 and an adult ticket is $12. how many student tickets did you buy

Six over 20 divided by 12 over 15

Select the correct product. (x^2 + 4x + 8) (2x - 1) a. 2x^3 + 7x^2 + 12x - 8 b. 2x^3 - 7x^2 - 12x - 8 c. x^2 + 6x + 7 d. x^2 + 8x - 8

A factory can produce 20 machines in 1 hour on weedays the factory operates 8 hours per day How many machines can the factory produce in 1 weekday?

The probility that u randomly select a red marble from a group of 40 marbles is frac (7) (20). how many are red marbles

A train car can hold 22 passengers. If there are 140 passengers, how many train cars will be needed to carry all of them?