Trey left his house on his bike and rode 6 miles north, rested then rode 8 miles east. How far is he from his house?

The system of equations graphed below has how many solutions?

Aball is thrown from a height of 139 feet with an initial downward velocity of 15 ft/s. the ball's height h (in feet) after t seconds is given by the following. h=139-15t-16t^2 how long after the ball is thrown does it hit the ground? round your answer(s) to the nearest hundredth. (if there is more than one answer, use the "or" button.) t =

Lola says these two expressions have the same value. expression a expression b which explains whether lola is correct?