When Charlotte works out, she spends 45 minutes doing cardio and 50 minutes doing resistance training. Wayne's workout consists of 47 minutes of cardio and 48 minutes of
resistance training. Who does a lower ratio of cardio to resistance training?

Which of the following would represent the sum of 3 consecutive integers if x is the first integer?

9. (y^-5)^10y^10 a. y^-60 b. y^60 c. y^-150 d. y^150 find the simplified form of each expression. 10. (4/7^5)^2 a.8/14^10 b.16/49^25 c.16/49y^10 d.8/14y^25 11. determine if the number 3.43 times 10^-6 is written in scientific notation. if not, explain. a. yes; the number is written scientific notation. b. no; the first factor is not a number between 1 and 10. c. no; it is not written as a number times a power of 10

Evaluate the expression for the given value of the variable 2×(c2-5) for c=4