I need help with all of them but 13B you can answer all of them some of them or just one of them make sure to verify which one you are solving please and thank you

13. 14. 15.

A.) 21 A.)-2 A.) 8

B.) 21 B.) 14 B.) 8

Step-by-step explanation:

13.

A.) 2(4)^2 - 11 = 21. B.) 2(-4)^2 - 11 = 21

* Note: if the power is a even number (2, 4, 6, and on), then the negative won't affect the answer and can be forgotten.

14.

A.)2squareroot16 - 10 = -2.

B.)2squareroot16 - 10 = 14

15.

|-3 - 8| + (-3) =8

|1/2 - 8| + 1/2 = 8

stops on an even number.

susie has 7 apples