Suppose that the population density of a certain area is 160 people per square mile. If about 800,000 people live in this area, what is the best estimate for the area?

There are 84 new houses being built in a neighborhood. Last month, 1/3 of them were sold. This month, 5/7 of the remaining houses were sold. How many houses are left to be sold?

Is 80 a multiple of 4

Barbara has a part-time lawn-mowing job. The table below shows the amount of money Barbara earned for different numbers of hours of work: Barbara's Earnings from Lawn Mowing Number of Hours Worked Money Earned (dollars ) 5 40 6 48 8 56 Part A: What

A farmer has sheep and cattle in the ratio 8:3. How many sheep has the farmer if he has 180 cattle?

You are looking out your window in a skyscraper, and again your window is at a height of 450 feet above the ground.

At most restaurants, the more food you order, the more money you have to pay. This is true whether you go to an overpriced "gourmet" restaurant where the plates are tiny but very expensive, or to a cafeteria where the portions are huge and the

What's the inequality of 4n-8<40

Fill in the blank to make the two fractions equivalent. 5/9 = / 36

Given that a, b, and c are non-zero real numbers and a + b ≠ 0, solve for x. ax + bx - c = 0

What value should be added to both sides of the equation X2 + 12 X + 6 equals - 5 to solve the question by completing the square