D) A=pi(r)^2 is the answer
Answer:
Step-by-step explanation:
hello :
y=9×+5
y=9×-7
9x+5 = 9x-7
5=-7 false .....no solutions
Answer:
2.49013280357
Step-by-step explanation:
Answer:
Step-by-step explanation:
So hitting the ground i think you just set the equation equal to 0
-16(t-9)(t+9)=0
t=0,9,-9 so it will take 9 second since the negative wont be the right choice.
I hope this helps?
Answer: 16.5
Step-by-step explanation:
Original price is 22 remove 25% by multiplying 22 by 0.75
If trying to find the original price when the discount is 25% and the discounted price is 22 take 22 and divide it by 3 and then multiply it by 4