A ball is dropped from the top of a 50 ft. building. The function h (t) = - 16t^2+50 models the height of the ball, h (t) (in feet), at any given time, t (in seconds). Where is the ball after 0.5 seconds?

Find an equation in standard form for the ellipse with the vertical major axis of length 18 and minor axis of length 16.

A bag contains 4 red, 3 green and 2 blue marbles. What is the probability of selecting a green marble and then a blue marble assuming you replace the first marble?

Find an angle between 0 and 2π that is coterminal with - 3π10.

4/9 times what equals 1 1/3

Fourth graders chose to have a read a thon for one hour each of the four fourth graders glasses read 408 pages about how many pages did all the fourth graders read

Mr. holms used 4/5 of a carton of orange juice. he used equal amounts of leftover juice for two servings what fraction of the whole carton of juice did he use for each serving

Choose Yes or No to tell whether there is more than one way to draw a triangle with the given measures.

What is an equation of the parabola with vertex at the origin and focus (-6, 0) ?

Which equation finds the value of x in the triangle below? Right triangle X Y Z is shown. Side X Z has a length of 12, side Z Y has a length of x, and hypotenuse X Y has a length of z. The angle opposite to side x is 20 degrees.

What is the slope of (-3, 1), (-1, 5) ?