You are standing next to a really big circular lake. you want to measure the diameter of the lake, but you don’t want to have to swim across with measuring tape! you decide to walk around the perimeter of the lake and measure its circumference, and find that it’s 400pi meters.

The ivring berlin learning center would like a possible net profit of $650,000 on its new resource manual it sells to schools. the fixed costs for producing the manual are $780,000 and the variable cost per package is $19.85. if the estimated unit sales are 1,250,000 units, what selling price unit should the ivring berlin learning center try?

Tim earns $120 plus $30 for each lawn he mows.write an iniqualityvto represent how many lawns he needs to mow to make more than $310

Which statement best describes how to determine whether f(x) = x squared- x +8 is an even function ?