Given a normal distribution with a mean of 128 and a standard deviation of 15, what percentage of values is within the interval 83 to 173?

A. 32%

B. 50%

C. 68%

D. 95%

E. 99.7%

Can a system of equations have more than one solution

What is 0.624 an expanded form

Describe what happens when a number is added to its opposite Write an equation that shows a number c being added to its opposite

3 х - бу = 22 у = - 5 х + 32

A bird leaves its nest and travels 12 miles per hour downwind for x hours. On the return trip, the bird travels 2 miles per hour slower and has 3 miles left after x hours. What's the distance of the entire trip? How long does the entire trip take?

Genius society requires an IQ that is in the top 2% of the population in order to join. If an IQ test has a mean of 100 and a standard deviation of 15, what is the minimum qualifying score to join the genius society?

If 2a=9-b and 4a=3b-12, what is the value of a?

What's the slope intercept form?

Solve the inequality. |2x + 9| < 25

Explain why the absolute value of a number is always positive