What is the degree measure of z?
a) 81°
b) 114°
c) 130°
d) 147°

Sal is tiling his entryway. the floor plan is drawn on a unit grid. each unit length represents 1 foot. tile costs $1.35 per square foot. how much will sal pay to tile his entryway? round your answer to the nearest cent.

On average, how many more hits will he get when he bats 100 times at home during the day as opposed to 100 times away at night?

Amachine part consists of a half sphere and a cylinder, as shown in the figure. the total volume of the part is π cubic inches.