Find the missing lengths of the sides.

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

1. writing an equation for an exponential function by 2. a piece of paper that is 0.6 millimeter thick is folded. write an equation for the thickness t of the paper in millimeters as a function of the number n of folds. the equation is t(n)= 3. enter an equation for the function that includes the points. (-2, 2/5) and (-1,2)

What percent of 18 is 24? and plz explain thx.