LaToya throws a ball from the top of a bridge. Her throw is modeled by the equation y = -0.6x^2 + 3x + 8, and the bridge is modeled by the equation y= -0.2x +5. About feet (round to two decimal places as needed)

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?

Water flows at a steady rate from a tap. its takes 40 seconds to fill a 4 litre watering can from the tap. the rate at which water flows from the tap is halved. complete: 4 litres into cm3

A33 gram sample of a substance that's used to detect explosives has a k-value of 0.1473. n = noekt no = initial mass (at time t = 0) n = mass at time t k = a positive constant that depends on the substance itself and on the units used to measure time t = time, in days