A hot air balloon hovers above its launch site at an altitude of 510 feet. The balloon operator sees a playground at a 10 degree angle of depression. Estimate the ground distance between the launch site and the playground to the nearest hundredth

Isee the amount was $90.00 then reduced to $75.00 , what is the percent ?

Jack has a piece of red ribbon that is two times as long as his piece of blue ribbon. he says that he can use two different equation to find out how long his piece of red ribbon is compared to his piece of blue ribbon is. is he correct? explain his reasoning

Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+1