Which property is not used to simplify the following expression?
2. (x + 5) + 7x = (2x + 10 + 7x
= (10 + 2x) + 7 x
= 10 + (2x + 7x)
= 10 + 9x
9x +
associative property of addition
commutative property of addition
commutative property of multiplication
distributive property

r(0,90)(x,y) . t(-5,0)

last option

step-by-step explanation:

∆def to ∆d"e"f"

- rotate 90 counterclockwise degrees

- then translated 5 to the left (x --> x - 5)

answer is the last option

according to this law, when unemployment goes up by 1%, gdp drops by 2%. in the question, unemployment rate goes from 2% to 5%, meaning unemployment goes up by 3%, so the gdp drops by 6%. thus the effect is a drop in gdp by 6%.

step-by-step explanation:

180-142=38 for the acute angle next to the entry

90+38=128

180-128=52

a=52

step-by-step explanation:

0.038

step-by-step explanation: