A student was asked to find the volume of the solid where the inner cylinder is hollow. He incorrectly said the volume is 2,449.20 in. cubed. Find the volume of the solid. Use 3.14 for pi. What mistake might the student have made?

—the graph shows how fast a strand of human hair grows. how many inches would the hair have grown in 5 months

In two or more complete sentences, determine the appropriate model for the given data and explain how you made your decision. (1,-1), (2,0.5), (5,1.5), (8,2)

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 33 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30 ∘c on monday, but decreased at a constant rate in the next 33 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.