Estimate the following sum using front-end estimation.

48.1 + 29.7 + 11.8

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 cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

Anature center offer 2 guided walks. the morning walk is 2/3 miles. the evening walk is 3/6 mile. which is shorter