A running track in the shape of an oval is shown. The ends of the track form semicircles 58. m
140
What is the perimeter of the inside of the track?
= 3.14

Achemist has 200 ml of a 10% sucrose solution. she adds x ml of a 40% sucrose solution. the percent concentration, y, of the final mixture is given by the rational function: the chemist needs the concentration of the final mixture to be 30%. how many milliliters of the 40% solution should she add to the 10% solution to get this concentration?

Fredrick designed an experiment in which he spun a spinner 20 times and recorded the results of each spin

In the figure below, triangle rpq is similar to triangle rts. what is the distance between p and q? a. 24 b. 42 c.50 d. 54