Which of the following best represents the average rate at which a person can quickly walk? (2 points) 3 steps per hour 3 steps per second 30 steps per minute 30 steps per second

Nick has box brads. he uses 4 brads for the first project. nick let’s b represent the original number of brads and finds that for the second project, the number of brads he uses is 8 more than half the difference of b and 4. write an expression to represent the number of brads he uses for the second project.

If the value of x increases by 5, how does the value of m(x + 3) change? a) it increases by 5m. b) it increases by 8m. c) it decreases by 5m. d) it decreases by 8m.

Which radical expression is a rational number? a. √ 360 b. √ 644 c. √ 225 d. √ 122