How do I solve a problem like - 8 (n+3) + 28=-5n-5

A spider has 8 legs, and an ant has 6 legs. How many legs do 7 spiders and 15 ants have together?

In a town, 45% of all households have a pet and 35% have children. 40% of all household have children and pet find the probability of that household.

Prove that a line parallel to one side of a triangle divides the other two sides proportionally. Be sure to create and name the appropriate geometric figures.

If 42 * 43 = n, then which division equation is also true?

Which quantity is larger? A) 100500 B) 1000300 C) They are equal. D) Insufficient information.

5x8x56x101x1234x12+506

what is the correct upper and lower control limits for 8.42 pounds and the accectable range for plus or minus. 65 pounds

Argyle can read 7 pages of his book in 5 minutes. At that rate, how many pages can he read in two hours?

Country Population (1997 estimate) Area (square km) U. S. 272,648,000 9,364,520 Romania 22,609,000 237,391 Ghana 18,339,000 237,533 Which of these countries has the greatest population density? Which has the least?

Whats the square root of 2562634