Toby found a $52 wallet on the clearance rack for 60% off. if sales tax is 6.25%, how much will he pay in total?

Evaluate the expression for the given value of the variable 7a - 4a for a =8

The revenue each season from tickets at the theme park is represented by t(c)=5x. the cost to pay the employees each season is represented by r(x)=(1.5)^x. examine the graph of the combined function for total profit and estimate the profit after four seasons

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).