They can rent it for 7 hr. $20.60-$4.50=$16.10. $16.1 divided by $2.30= 7
The answer is 530. I’m pretty sure
Answer:
so x = 20 , y = -21 , which is in quad IV
r^2= 400+441 = 841
r = √841 = 29
then cos Ø = 20/29
sec Ø = 29/20 = 1.45
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