A car is travelling at 65 mph down a straight and flat road. Another car travels in the same direction at 65 mph but remains at a constant five miles behind the first car. If the second car increases its speed to 70 mph, and the first car remains at 65 mph, how long would it take for the second car to meet the first car? (Assume there is no change in speed or elevation, and the road remains straight)​

In factoring by grouping, what would you have for step 3 for the following? step 1: x^3 +5x^2 +4x+20 step 2: x^2 (x+5)+4(x+5) step 3: ?

Acircle has a diameter will endpoints of (-2,8) and (6, 4). what is the center of the circle

Agroup of students want to create a garden. they do not know the exact measurements but they propose using a variable to represent the length and width of the garden. the length of the garden is 10 feet longer than double the width. use a single variable to write algebraic expressions for both the length and width of the garden. write an algebraic expression for the area of the garden. use mathematical terms to describe this expression.