Mika is thinking of a number. she tells jonas that adding 1 to the opposite of her number will result in the number 7. what is mika’s number?

Find the area of the regular hexagon if a side is 20 cm.

Adesigner charges a one time fee of $200 plus $40 an hour for each project. write an expression to represent how much money the designer will make for a project

Three students, javier, sam, and corrine, participated in a fundraiser where people donated a certain amount of money per lap that the student ran. each student also had some initial donations that were collected before the run. the equations that represent each student's total donation, y, based on the number of laps ran, x, is shown below. match each equation with the correct rate of change for that student.