Find the perimeter (circumference) of the semicircular region. Round your answer to the nearest hundredth.
9 m
O 14.13 m
o 23.13 m
O 28.26 m
O 56.52 m

Two cyclists 84 miles apart start riding toward each other at the same. one cycles 2 times as fast as the other. if they meet 4 hours later, what is the speed (in mi/h) of the faster cyclist?

Solve the following inequalities and show the solution on a number line. 2x+3< 3(4x+5)

Louis wants to carpet the rectangular floor of his basement. the basement has an area of 864 square feet. the width of the basement is 2/3 it's length. what is the length of louis's basement