Answer:
B y+8 = 2(x-4)
Step-by-step explanation:
perpendicular slope is a negative reciprocal of the x
which is 2x
then use the formula
y-y1 = m(x-x1)
y + 8 = 2(x-4)
The interest earned by $318 investment is 9/100 x 318= $28.62
23 for 5=6
Step-by-step explanation:
Answer:
8 centimeters.
Step-by-step explanation:

Divide 3 both sides:

Multiply 4 on both sides:

8cm on the map represents 20km.
Answer:
-1/16
Step-by-step explanation:
Put the values where the variables are and do the arithmetic.
1 to any power is 1, so you can ignore all of the 'a' factors. That leaves ...
1/(2b^3) = 1/(2(-2)^3) = 1/(2(-8)) = -1/16
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A calculator can help you figure this out.