Answer:
The solution is:
Step-by-step explanation:
Given the expression

Solving


so



∵ 
Therefore, the solution is:

Step-by-step explanation:
(1, -3). (3, 0)
(0 + 3)/(3 - 1) = 3/2 is the slope
Answer:
D. 68 (APEX).........................................................................................
Answer:
He is B) 45 years old
Step-by-step explanation:
If he was 30 when she was born, he was 40 when she was 10, and he was 45 when she was 15.
15 x 3 = 45
Edit: It can actually be any of them....