What is 2.50x + 4x = 39

What is 10:16:3 simplified?

Mrs. Lau rolls out 2 3/4 feet of dough to make noodles. If the noodles are 3/8 of an inch wide, how many noodles would she make

Which is longer 635 millimeters or 535 centimeters?

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?

What is the solution of the system? Use elimination. 3x - 4y = 9 - 3x + 2y = 9

The inequity of Six times a number x is at least - 24

Three hamburgers and one milkshake cost $6.80. Two hamburgers and one milkshake cost $5.30

If using the method of completing the square to solve the quadratic equation x^2+13x+15=0 which number would have to be added to "complete the square"?

Use the estimate in the text based on the Prime Number Theorem to give approximate values of the following. (a) The number of primes between 1 and 1030. (b) The number of primes between 1 and 1029.

Compare the process of solving |x - 1| + 1 < 15 to that of solving |x - 1| + 1 > 15.