In a triangle, the measure of the second angle is twice the measure of the first angle. The third angle is equal to the sum
of the other angles.
Which of the following could represent the measures of the three angles?
X 2x, 3x
x 2x 4x
x 2x. 2x

Starting at home, emily traveled uphill to the hardware store for 606060 minutes at just 666 mph. she then traveled back home along the same path downhill at a speed of 121212 mph. what is her average speed for the entire trip from home to the hardware store and back?

Find the missing dimension extra points

Someone answer this asap for the length, in feet, of a rectangular rug is represented by the expression 5x² + 2x. the width, in feet, is represented by the expression 3x². which expression represents the perimeter, in feet, of the rug? a. 8x² + 2x b. 8x² + 4x c. 16x² + 2x d. 16x² + 4x