Sadie painted a square tile that has an area of 23 ft squared. What is the approximate length, to the nearest tenth of one side of the tile?

An equation of the line tangent to y=x^3+3x^2+2 at its point of inflection is

Twelve less than a number is at most 20

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?