The teacher holds a bag of 15 stars: 9 red, 3 blue, 2 gold, and 1 silver. If the first student randomly picks a red star and keeps it, what is the probability that the second student will also pick a red star?

The length of a rectangular prism is 4 more than three times the width w. The volume of the prism is. 3w^3+28w^2+32w. What is a simplified expression for the height of the prism?

Eight times a number n less than 72

Which animal could be about a decimeter long? Ant, whale, turtle or ladybug?

Mary has 10 yards of string. she uses 2 yards of string for a project. she wants to cut the remaining string into pieces that are 1⁄3 yard long. how many pieces can she cut from the remaining string?

What is the slope of a line passing through (3, 4) and (5, 8) ? 1/2 2 2/4 4/2

Tina designed an electric skateboard that has a speed of 4 miles per hour. In one hour it travels 4 miles, and in 2 hours it travels 8 miles. Is this an example of continuous or discrete data? discrete continuous

What is 5.4 divided by 15

1. At the end of the year the capital of a business was $33000, at the beginning of the year the capital was $28000. During the year the owner withdrew from personal use $2000. What was his net profit for this year? 2.

Find the necessary sample size. Scores on a certain test are normally distributed with a variance of 68. A researcher wishes to estimate the mean score achieved by all adults on the test.

At the super market you can fill your own honey bear container. a customer buys 12 oz of honey for $5.40. how much honey can you buy per dollar