0.2 x 40
=8
(change the percentage to a decimal)
Answer:
x = -5
Step-by-step explanation:
15*x = -75
divide both sides by 15
(15x)/15 = -75/15
x = -5
Supplementary angles because they add to 180 degrees
Answer:
9x^2 -4
Step-by-step explanation:
(3x+2) (3x-2)
FOIL
first: 3x*3x = 9x^2
outer: 3x*-2 = -6x
inner: 3x*2 = 6x
last: -2*2 = -4
Add together
9x^2 -6x+6x -4
9x^2 -4
