The percent discount is 30% and the sale price is 42 what is the original price

True or false? Postulates are statements that require proof

If 1 square of a pentamine equals 1 unit, how many square units are there in a pentamine?

What value is equivalent to 3 * 10 - 2 (12 - 3 * 3) ?

In the parabola y = (x+1) ^2+2

An architect created a scale model of a building that was to be built. A scale model with a base of 3 feet and height of 7 feet. A larger scale model with a base of 45 feet and height of blank. Figures not drawn to scale.

Libanea bought tomatoes that cost $0.84 per pound. She paid $3.36 for the tomatoes. How many pounds of tomatoes did she buy?

What is the sum of 12 - 5i and - 3 + 4i? a.) - 16 + 63i b.) 9 - i c.) 9 - 9i d.) 15 - 9i

Solve: X + y = 4 -5x - 6y = - 18

Find the expected number of runs of heads in 12 tosses of a fair coin.

Davia draws a shape with 5 sides. Two sides are each 5 inches long. Two other sides are 4 incheslong. The perimeter of the shape is 27 inches. What is the length of the fifth side?