I need to know 5th grade fractions

What is called the sum of deviations from the arithmetic mean divided by sample size for the set of numerical data? a. Variance b. Standard Deviation c. Variation of Coefficient d. None of the above

How do you find the area of a traizoid

Denise received 300 votes in election for student council president she was 60% of the students who voted in the election how many students voted in the election?

A boat travels 405 kilometers in 41 hours (with a constant speed). How much time will it take traveling 78 kilometers?

X-5y=-49 and y=-2x+1

An inscribed angle of circle T has a measure of 36 degrees. Determine the measure of the intercepted arc

What does an increase in taxes and decrease in the money supply do to the supply and demand curves?

25/8 in to a mixed number

If 6000 lb/day = t/wk what is the anwser

A square pyramid has a height of 25 ft and each side of the base has a length of 15 ft. If a model of the square pyramid is scaled down by a factor of, what is the surface area of the model?