line segment JK with coordinates J(-1,1), K(-3,-1) is rotated 90 degrees counterclockwise to produce image J'K'. What transformations of JK would produce the same image J'K'

You are remodeling your kitchen. you’ve contacted two tiling companies who gladly told you how long it took their workers to tile of a similar size jim completed half the floor in 8 hours. pete completed half of the other floor in 7 hours. if pete can lay 20 more tiles per hour than jim, at what rate can jim lay tiles

Given that ot =5, xt=12, and ox= 13 is xy tangent to circle o at t? explain.

Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?