Solve for t. d=−16t^2 +4t

Use the knowledge of x- and y- intercepts to choose the correct graph of the equation 3x+6y=6

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?

What is the name of a polygon that has four congruent sides and theses angle measures 60,120,60,120?