Three months ago David could walk 2 miles in 40 minutes. Today he can walk 2 miles in 25 minutes what is the percent of change

What is the correct definition for sec 0?

At a certain coffee shop, all the customers buy a cup of coffee; some also buy a doughnut. The shop owner believes that the number of cup s he sells each day is normally distributed with a mean of 320 cups and a standard deviation of 20 cups.

6438593 rounded to the nearest 1000

Decompose each multiple of tens hundreds or thousands before multiplying

For the function given, state the period: f (t) = -100sin (50t-20). A. pi/25 B. 5/2 C.-50pi^2/3 D. 50

Natalie drives 2.4 miles round trip each time she goes to the grocery store. Which expression can Natalie use to determine the number of miles she drives in 8 round trips to the grocery store?

Josiah conducts an experiment that has 4 possible outcomes. Sally conducts an experiment that has 10 possible outcomes. The students conduct 50 trials each. Which statement best compares the two experiments?

Can - 20 and 20 be expressed with a less than or equal to sign? Example: - 20 _< 20.

Train travels 60 miles in 40 minutes what is the average speed

What is 22/6 is the simplest form