In a normal distribution, what percent of the values lie within on standard deviation of the mean

Dan ran 8 kilometers in 60 minutes. At this rate, how long would it take him to run 2 kilometers

On a number line: What does a closed circle mean and what does an open circle mean?

Got a haircut for $40 wanted to pay the hair stylist 20% and tax is 6.25%. How much did i spend in total for the haircut.

Write the following probability as a percentage 3/5

4% of what number is 5

Describe when to use a series and when to use an equation. For example, when would you use: f (x) = 3x+5 and when would you use: score = 2 + 3n (where n is 1, 2, 3 ...)

Convert. 06 yards to inches

Jesse asked how many magazine subscriptions each house on his street had. These numbers are shown. What is the interquartile range of the data set? 1, 0, 2, 3, 4, 1, 0, 0, 4, 1, 2, 2, 1

Evaluate the series 2 + 8 + 32 + 128 + 512 + 2048. A) 2728 B) 10,922 C) 2730 D) 682

What is the mean of 32 and 35 and 36 and 33