Answer:
56
Step-by-step explanation:
First you want to multiply -7 and -8. after you do that you'll get your answer of 56 and you can check your answer by doing 56/-7 which equals -8.
Answer:
C
Step-by-step explanation:

12 groups. Divide 60 by 12: 60/12=5. 48/12=4 :)
Answer:
Just use the tangent and plug in 68 into your calculator.
Step-by-step explanation:
The tangent defines the relationship between the 2 perpendicular legs of a right triangle.