Option 1 is the correct answer
Answer:
107
Step-by-step explanation:
8b^2 - 6c + 9
Let b=4 and c=5
8*(4)^2 -6(5)+9
Exponents first
8* 16 -30 +9
Then multiply
128 -30+9
Then add and subtract
107
Answer:
-87= 1 + 8x
-88= 8x
x= -11
Basically bring over the one to the other side of the equation and solve for x by dividing.
The circumference of a circle -


The radius is
10 in.
Answer:
624ft
Step-by-step explanation:
Surface Area of a Triangular Prism (A) = b*(h + l) + 2*l*s