Answer:
Area = 31.5 units^2
Step-by-step explanation:
7 x 3 = 21
Area of triangle is (height x base) / 2
(3 x 7) / 2 = 10.5
21 + 10.5 = 31.5
2x - 3 = -8
+3 + 3
2x = -5
/2 /2
x = -2.5 (Answer)
Prove.
2(-2.5) - 3 = -8
-5 - 3 = -8
-8 = -8
True.
Answer:25 years
the answer is 2 months
I think
a; r=1 is the answer