Will give brainliest& 15 pts. reduce the fraction to lowest terms. do not use spaces in your answer. x^3 - x^2/ x^3

Can someone me my sister? she is in third grade. 50 points and brainlist! ones that are not answered. plz and thx!

Which function families have maximums and minimums? 1.)linear absolute value functions and exponential functions 2.) linear absolute value functions and quadratic functions 3.) linear absolute value functions and linear functions 4.) linear absolute value functions and constant functions

0if x and y vary inversely and y=6 as x=7, what is the constant of variation?