Jenny left her house at 8 a. m. and went to school at a speed of 2 2 3 mph. her brother jim left house 4 minutes later and went to the same school. what must his speed be if he wants to keep the same distance between his sister and himself?

Write the system of equations represented by the matrix. 0 1 2 4 -2 3 6 9 1 0 1 3

Write the expression as a constant , a single trigonometric function, or a power of a trigonometric function. sin x cos x/ tan x

Fred has a spinner that is split into four equal sections: red, blue, green, and yellow. fred spun the spinner 688 times. which of the following would be a good estimate of the number of times the spinner lands on the green section? a. 269 b. 603 c. 344 d. 189