Scores on an exam are normally distributed with a mean of 76 and a standard deviation of 10. In a group of 230 tests, how many students score within one standard deviation of the mean?

The equation s = 3√5x can be used to estimate the speed, of a car in miles per hour, given the length in feet, x, of the tire marks it leaves on the ground. A car traveling 90 miles per hour came to a sudden stop.

3/5 times what equals 2 2/3

How do i write 0.326 in two other forms

Which shows 2.17*10 to the negative 3 power? A. 0.0217 B. 2.170 C. 0.217 D. 0.00217

The speed limit on a road is 65 miles per hour. Which inequality represents the allowed speeds on the road?

A number cube has sides numbered 1 through 6. The probability of rolling a 2 is 1/6. What is the probability of not rolling a 2? Enter your answer as a fraction, in simplest form, in the box.

class is made up of 40 % women and has 20 women in it. What is the total number of students in the class?

Lainey wrote the prime factorization of 60 as 2 x 5 x 6. Is she correct? If not, what is the prime factorization of 60? explain

A pine tree grows at a rate of 1.5 feet per year. James plants a 2-foot tall pine tree in his yard. How many years will it take for the tree to be at least 14 feet tall?

Find the value of the expression below and wrote your answer in mixed number form reduce if possible 7/9 of 7