Christy began running 50 seconds before Stephanie
Christy ran at a rate of 7 feet per second.
Stephanie ran at a rate of 10 feet per second.
How many seconds had Christy been running at the time when the two girls had run exactly the same distance ?

hope it

step-by-step explanation:

x^(1/6) · x^(1/6) · x^(1/6)   ·x^(1/6) = x^(4/6)   since we add the exponents

4/6 can be simplified to 2/3

the simplified form is x^(2/3)

#15. square

step-by-step explanation:

because quadrilatural (idk how to spell it) means somthing that is not 3d or like, equal sides (or somthing like that   you know what i meanz)

hope this halps!

bai!