How do u figure out complex fractions and unit rates

7.50X plus 4.50y is equal to 3150, what is x and y equal to.

Find three numbers between -.53 and 0.52

The volume of a triangular pyramid is 300 cubic meters. what is the area of the pyramid's base of the pyramid height is 3 meters?

Factor the expression below. 16x2 - 40x + 25 O A. (8x + 5) (2x + 5)

10 hundreds = _ thousands

What color goes best with tan skin, brown eyes, and brown hair?

If a is a nonnegative real number, then which inequality statement best describes a?

Ben Spender writes a $60 check which is retumed by his bank with additional charges. The company he wrote the check to, Art Supply Inc.

In a survey of US women the heights in the 20 to 29 age group we are normally distributed with a mean of 64.2 inches and a standard deviation 2.

Jose received $30 for his birthday and put it in his piggy bank. Each week, he puts 4 more dollars in his bank. The amount of money in dollars D in his bank is given by D = 4w + 30 where w is the number of weeks he has saved 4 dollars.