Which is the principal value of \arccos\left(-0.65\right)arccos(−0. 65)

Graph the equation by plotting point x=2

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

25 ! the line of best fit is h = 5a + 86. predict the height at age 16. show your work.