(x+3)(x-8) Multiply and Simplify

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

If x = -2, then x 2-7x+10 equals a. 0 b.20 c.28

Aplot of land has been surveyed for a new housing development with borders ab, bc, dc, and da. the plot of land is a right trapezoid with a height of 60 feet and an opposite leg length of 65 feet