3,800
because the rectangle area is 40x70 plus the triangle area is 40x50 divided by 2
Answer:
A
Step-by-step explanation:
Answer:
The length is 13 inches.
Step-by-step explanation:
Yes, both angles are acute because all complementary angles are acute.
Answer:
781250
Step-by-step explanation:
We first need to find the common ratio
-10 /2 = -5
50 / -10 = -5
The common ratio is -5
an = a (r) ^ (n-1)
a9 = 2 ( -5) ^(9-1)
= 2 (-5)^8
=781250
