Let f (x) = 81+3e-0.7x. What is the value of f (-1) ? Round the answer to the nearest hundredth. Enter your answer in the box.

A square has a are of 81 feet what is the length of each side

On Monday, the temperature was 60 degrees Fahrenheit. On Tuesday, the temperature was 18% more. How much did the temperature increase from Monday to Tuesday?

A construction crew has just finished building a road. The road is 8 2/5 kilometers long. If the crew worked for 6 days, how many kilometers of road did they build each day?

90 units needed 8units per case

The rectangle poster shown at the right measures 2w-30 by w. the poster has an area of 5400 cm^2. what is the value of a?

A honeydew melon costs four times as much as a peach. Together they cost $1.50. How much does each cost

Evan has a job selling magazine and newspaper subscriptions. he earns $23 for each magazine subscription and $54 for each newspaper subscription that he sells. his goal is to make more than $642 per week.

N+9>16 or n+3<-6 so how can i solve this and then graph it

Find the period, range, and amplitude of the cosine function. y=-4 cos 8x

How do you simplify 2 / (square root 2 + square root 2)