Answer:
Identity is true
Step-by-step explanation:










Therefore, the identity is true.
<u>Helpful tips:</u>
Pythagorean Identity: 
Quotient Identities: 
Lowkey, I'm not sure what this is.
Answer:
x is -4 and y is 3 (-4,3) mark me brainlies
Answer:
x = - 4
Step-by-step explanation:
Hi there !
if f(x) = 2x + 7 and f(x) = -1 =>
2x + 7 = - 1
2x = - 1 - 7
2x = - 8
x = - 8 ÷ 2
x = - 4
Good luck !
Answer:
Step-by-step explanation:
If they can be rounded to 70 to the nearest 10s. Then they are from 65 to 74.
Their sum is 136.
If we use 136 divided by 2 we get 68.
Since they're distinct, so one can be 67 and one can be 69