I ran 1 mile in 12 minutes this year. Last year, I used to run 2 miles in 10 minutes. How did my speed change from last year and why?

Explain why the two figures below are not similar. use complete sentences and provide evidence to support your explanation. (10 points) figure abcdef is shown. a is at negative 4, negative 2. b is at negative 3, 0. c is at negative 4, 2. d is at negative 1, 2. e

Which data set has a greater spread? why? set a: {38, 12, 23, 48, 55, 16, 18} set b: {44, 13, 24, 12, 56} has a greater spread because .

Simplify. (-2)^-3 a. -8 b. -1/8 c. 1/8 d. 8