Answer: the fourth triangle
Step-by-step explanation:
I got it right :)
direct proportion y=kx , k is constant and k does not equal to 0.
17.5=k(21)
k=5/6
when x =39
y=5/6 ×39
y=32.5
Answer:
positive
Step-by-step explanation:
Answer:
-4
Step-by-step explanation:
answer is C
He made an error in Step 3. He should have subtracted 2 from both sides.
