What is the surface area in square meters of a cylinder with a radius of 3.4 meters and a height of 2.8 meters? show work

If x=-3 is the only x-intercept of the graph of a quadratic equation, which statement best discribes the discriminant of the equation?

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?

Which of the following graphs could represent a cubic function?