Find the missing side and round to the nearest tenth

For what values of b will f(x)= logbx be a decreasing function? (16 )

What is the standard form of -5x^2+2x^4-11+x^3+3x

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