What is 3 1/4 - 2 1/2

Smooth, suave, ingratiatingly pleasant A. countenance B. bland C. audacious D. genial

What is the solution to the system: x-y-2 z=4 -x + 2 y + z = 1 -x + y-3 z+11

A) The probability that you believe you will be in a car accident is 25%.

Four boxes of the same volume are each completely filled with one of the following items:sand, marbles, paperclips, or dice. The order of the boxes from least to greatest mass is as follows: paperclips, dice, marbles, and sand.

The population of bacteria in a petri dish doubles every 12 h. The population of the bacteria is initially 500 organisms. How long will it take for the population of the bacteria to reach 800? Round your answer to the nearest tenth of an hour.

When two systems of equations share a line, what does that mean?

Multiple Representations Simplify this expression. Use pencil and paper. Write at least two expressions equivalent to this one. Explain why they are equivalent.

A scientist collected 7 water samples from local streams. Each sample was the same size, and she collected 0.7 liters of water in all. What was the volume of each water sample?

Write a story to represent what percent is 12 out of 25?

David estimates that he will have expenses totaling $24,870 for one year of college. He will receive $7,560 in grants. How much will David have to contribute each semester during this year?