Answer:
26
Step-by-step explanation:
Use the Pythagorean Theorem: 
X^2 + 4x + 8 = 0
( x + 2 ) ( x + 2 ) = 0
i am a mathematics teacher. if anything to ask please pm me
Answer:
B
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I’m not 100% sure though
It should be 30.4
Multiply 8 by both numbers in the parentheses. -8x7 - 8x(-3.2)
You should end up with -56 + 25.6
Next you add those two numbers and you end up with 30.4.
I hope this helps!
Step-by-step explanation:
The area of a triangle is calculated by multiplying height to the base and that divided by two
G.
13 × 20 ÷ 2 = 130 ft^2
H.
11 × 4 ÷ 2 = 22 ft^2
