Carlos and maria drove a total of 197 miles in 3.8 hours. carlos drive the first part of the trip and averaged 55 miles per hour. maria drove the remainder of the trip and averaged 47 miles per hour. for approximately how many hours did maria drive?

How many zeros does the function f(x)=4x3-x2+1 have

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

Atemperature of 1.64◦f corresponds to answer in units of ◦c.