Two rectangles have the same area of 70m2. it is given that the length of the first rectangle is 4m longer and the width is 2m shorter than the dimensions of the second rectangle. find the lengths of the sides of these rectangles.

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 =

Abag contains 3 red marbles, 2 blue marbles, and 2 green marbles. one marble is picked, then another marble. assume that the selections are made with replacement. a) find the probability of picking two red marbles with replacement. b) find the probability of picking a red marble and a blue marble. assume the selections are made without replacement. c) find the probability of picking two red marbles without replacement. d) find the probability of picking a red marble and a blue marble without replacement.

The difference of two numbers is 40. find the numbers if 0.3 parts of one number is equal to 37.5% of the other one.