5) A tortoise's fastest rate of travel is 225 feet in 15 minutes. Write this rate as a Unit Rate.

Show algebraically that f and g are inverse functions f(x)=x^2/-6; g(x)=square root of 2x+12

1. there are 25 students who started computer programming in elementary school and 25 students who started computer programming in middle school. the first group had a mean final project grade of 95% and the second group had a mean final project grade of 92%. the line plot shows the differences after 10 rerandomizations. determine whether the difference in the means of the two groups is significant based on the line plot. explain your answer.

Iq scores for adults age 20 to 34 years are normally distributed according to n(120, 20). in what range does the middle 68% of people in this group score on the test?