A projectile is fired vertically upward and can be modeled by the function h(t) = – 16t2 + 900t + 300. During what time interval will the projectile be more than 6000 feet above the ground? Round your answer to the nearest hundredth.

Afactory adds 3 red drops and 2 blue drops of coloring to white paint to make each pint of purple paint. the factory will make 50 gallons of the purple paint.how many drops of red and blue coloring will the factory need in the 50 gallon batch of purple paint.

Can someone explain to me how to do

Sanjay solved the equation below. which property did he use to determine that 7x+42=42 is equivalent to 7(x+6)=42 7x+42=42 7x=0 x=0