Use a graphing calculator to sketch the graph of the quadratic equation, and then state the domain and range. y=-5x² - 4x+1

Answers above on picture^

Asailor is looking at a kite. if he is looking at the kite at an angle of elevation of 36and the distance from the boat to the point where the kite is directly overhead is 40 feet, how high is the kite?

1. evaluate 8x(2)y9(-2) for x=-1 and y=2 2. simplify the equation. -() 3. simplify the expression. [tex]\frac{5}{x(-2) y9(5)}[/tex]

Reinel saves 30% of every pay check. his paycheck last week was 560$. how much did reniel save last week?