The answer is C because the statement would be if A is true then B is true. Hope this helps
The first one I believe is five because it says ten times as many as ___________ is fifty so you take five times ten you get fifty.
Answer:
D
Step-by-step explanation:
7x2-2x+3 = 5x2-10
7x2-2x+3+10=5x2-10+10
7x2-2x+13=5x2
7x2-5x2-2x+13=5x2-5x2
2x2-2x+13=0