Matrices C and D shown below are equal.
What is the value of C=
-7
-8
5
8

Circle the numbers that are evenly divisible by 3

Jack has a piece of red ribbon that is two times as long as his piece of blue ribbon. he says that he can use two different equation to find out how long his piece of red ribbon is compared to his piece of blue ribbon is. is he correct? explain his reasoning

15 and 14.7 are 1 apart, so 15 – 14.7 must be 1.