Answer:
I do not knoww <333
Step-by-step explanation:
<span>Triangle is 180 degrees, so you will subtract 50 from 180 which will give you 130.</span>
Answer:
K 20
Step-by-step explanation:
f(x) = 7x2 - 4x
f (2) = 7 (2)^2 - 4(2)
= 28 - 8
= 20
Since they replaced the x inside f(x) with 2, just do that the same to the right side, change all x into 2