The trajectory of a rocket is represented by the function h(t)=-3t^2+24t+36, where *h* is height in meters and *t* is time in seconds. What is the initial height of the rocket before it takes off? Hint: t=0 at initial height.

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

In the following diagram it is given that dec, ab || dc, ad || eb, and ad is congruent to bc. a)why isn't abc a parallelogram even though it has a pair of parallel sides and a pair of congruent sides b)explain why be must be congruent to bc. further explain what type of triangle this makes triangle abc and what it tells you about angle 1 and angle 2c) finally why must angle 3 be congruent to angle 1? further, explain why we know that angle 3 is congruent to angle 2

Which expression is equal to (21)(7)(3x) using the associative property? (21 · 7 · 3)x (7)(21)(3x) 32(7 + 3x) (3x)(7)(21)