The area of a parallelogram is 15 centimeters squared. the length of the base is 5 centimeters. find the width. show all your work.

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

One number is 4 less than 3 times a second number. if 3 more than two times the first number is decreased by 2 times the second number, the result is 11. use the substitution method. what is the first number?

Abari owns 100 shares of stock a and 45 shares of stock b. for the past month, his stocks have been fluctuating inversely. stock a decreased by m cents per share and stock b increased by n cents per share. which equation can be used to find the total change in value of jabari's shares per month?