In circle O, AC and EB are diameters the measure of arc DC is 50. what is the measure of EBC

In 2009 Husain bolt set the world record for sprinting 100 m in approximately 93.5 seconds find his average speed in meters per second

A spinner contains four sections: red, blue, green, and yellow. Joaquin spins the spinner twice. The set of outcomes is given as S = {RB, RG, RY, RR, BR, BG, BY, BB, GR, GB, GY, GG, YR, YB, YG, YY}.

Find the angle between each of the following pairs of vectors A⃗ = Axi^+Ayj^ and B⃗ = Bxi^+Byj^ ... Ax1 = - 3.20, Ay1 = 4.40; Bx1 = 2.70, By1 = - 3.10. i know this is dot prodoct but the calculater just keep saying error

You and a friend race each other. You give your friend a 50-foot head start. The distance y (in feet) your friend runs after x seconds is represented by the linear function y=14x+50. The table shows the distances you run.

What does negative 9 equal positive 27

Y=2x^2+16x+30 axis of symmetry

A bag contains white marbles and blue marbles, 54 in total. The number of white marbles is 1 less than 4 times the number of blue marbles. How many white marbles are there?

What is the lowest common multiple of 24 and 40

What is bigger 5 feet or 60 inches

What is the mean absolute deviation of 26 43 48 29 16 30