The mean height of plants is 18 inches. the height of seven plants are 12 inches, 13 inches, 15 inches, 15 inches, 17 inches, 23 inches, and 24 inches. find the height of the eighth plant.

Follow these steps using the algebra tiles to solve the equation −5x + (−2) = −2x + 4. 1. add 5 positive x-tiles to both sides and create zero pairs. 2. add 4 negative unit tiles to both sides and create zero pairs. 3. divide the unit tiles evenly among the x-tiles. x =

The cost of using a service is $0.25 per min. what equation correctly represents the total cost c, in dollars, for d days of use?

Asquare and an equilateral triangle have the same perimeter. each side the triangle is 4 inches longer than each side of the square. what is the perimeter of the square