There are approximately 402 1/4 m around a typical running track sandra has challenged yourself to run 10 laps a day for five days. how many meters will sandra run if she meets her challenge?

50 ! pls ! 12.  building codes regulate the steepness of stairs. homes must have steps that are at least 13 inches wide for each 8 inches that they rise.

a. discuss how to find the slope of the stairs.
b. describe how changing the width or height affects the steepness of the stairs.

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=

Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*