At the playground, 60% of the bike rack was filled. this is 30 bikes. choose the expressions that complete each step involved in setting up and solving the proportion that represents the situation.

Astandard american eskimo dog has a mean weight of 30 pounds with a standard deviation of 2 pounds. assuming the weights of standard eskimo dogs are normally distributed, what range of weights would 99.7% of the dogs have? approximately 26–34 pounds approximately 24–36 pounds approximately 28–32 pounds approximately 29–31 pounds

A. 127 cm^2 b. 144.5 cm^2 c. 172 cm^2 d. 50 cm^2

List the sides of δrst in in ascending order (shortest to longest) if: m∠r =x+28°, m∠s = 2x+16°, and m∠t = x+12°