Hey! 16 points if you answer correctly! what is 4-2 and 3/5

answers in complete

also this is mathematics and it is subtract with renaming.

Atriangle has sides with lengths of 10 yards, 13 yards, and 18 yards. is it a right triangle?

What is the value with a place of tenths in 907.456 1) 0 2) 6 3) 4 4) 5

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 =