4xy - 9xy + - 3xy Simplify the polynomial

Expand 8ps (3qs-2pq+4ps)

Use the distributive property to remove the parentheses. - (5x - 4y-5)

A population has a mean of 40 and a standard deviation of 15. a sample of size 100 is taken at random from this population. the standard deviation of the sampling distribution of sample mean equals:

How many degrees are in an angle that turns through 3/4 of a circle

Determine whether the quantitative variable is discrete or continuous. "population of a city" is the variable discrete or continuous?

If a car travels at a speed of 25 miles per hour for t hours then travel s 45 miles per hour for m hours what does the expression 25t + 45m represent

Simplify by combiningl ike terms 2x+5y+6x-2y

Which set is a subset of every set?

For the following system, use the second equation to make a substitution for y in the first equation. 3x + y = 1 y + 4 = 5x What is the resulting equation?

Eleven less than a number is more than seventeen in number form