I AM FREAKING OUT I NEED HELP ASAP Fifteen unit squares are arranged in a 5 by 3 rectangle as shown. What percent of the largest rectangle is shaded gray?

PLS PLS TELL WHY THE ANSWER IS TRUE!!

The variable z is directly proportional to x, and inversely proportional to y. when x is 4 and y is 13, z has the value 1.2307692307692. what is the value of z when x= 9, and y= 20

Empty box + box + empty box fill in the box is equal to 30 how

Suppose that the price p, in dollars, and the number of sales, x, of a certain item follow the equation 4 p plus 4 x plus 2 pxequals56. suppose also that p and x are both functions of time, measured in days. find the rate at which x is changing when xequals2, pequals6, and startfraction dp over dt endfraction equals1.5.