4. -8
5. 24
6. I can't see it properly so if it's ÷ answer is 9 if it's - answer is -70
I believe the correct answer is 42.25%
I would say you cannot use a rectangle. Or a circle. One of those.
Answer:
x=149
Step-by-step explanation:
pythagoras theorem dictates that a squared +b squared= c squared
in this case, c=x
51*51+140*140=x*x
2601+19600=x*x
22201=x*x
x=149
