Lesson 5: lines and triangles geometry a unit 4: parallel and perpendicular lines

Which of the following is the best first step in solving the equation below? 4+2㏒³x=17

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?

240 seventh graders and two-thirds of the students participate in after-school activities how many students participate in after-school activities