Evaluate - (a + b), given values a = - 4, b = - 12.

Amelia purchased a new mattress when it was on sale. The sale price was 40% less than the regular price. If the sale price was $325, what was the original price? (Round your answer to the nearest dollar).

Jose ran 1/3 mile in 3 minutes and 15 seconds. Calculate Jose's rate in minutes per mile; in other words, the time that it would take for him to run 1 mile.

Make this statement true by adding parentheses "2+36/12-10=19"

Sandy can assemble a particular type of light fixture in 3/8 hour. it takes her 2/3 hour to hang the fixture and another 1/6 hour to wire the fixture once it is hung. how many fixtures could sandy install in 29 hours?

Is the circumference more or less then 33 centimeters?

50% of the population in Alaska lives within a 50-mile radius of Anchorage. If the total area of Alaska is 586,412 square miles, about what percent of the total land area is within 50 miles of Anchorage?

Evaluate 12x - (4y+7z) for x=9 y = 4 and z = 2

Which of the following expressions are equivalent to 4 - (-5) + 0?

Which equation is equivalent y = 3x^2-15x+18

57% of 225 is what number?