Joseph bought a DVD recorder for $280. Now it is on sale for $220. Find the percent of change in the price. Round to the nearest percent.

The power in an electrical circuit is given by the equation p = / 2 r, where / is the current flowing through the circuit. what is the current in a circuit that has resistance of 100 ohms and a power of 15 watts? A. 0.15 amps B. 0.39 amps C. 6.

Solve for 4/5 x (-2/9)

The Quan's mother made a quilt for his bed. The quilt is 2.44 meters long And 1.83 meters wide. What is the area of the quilt in square feet?

1) what number is 20% of 40? 2) 40% of what number is 15? 3) what percent of 75 is 27? 4) 0.2 is what percent of 16? 5) 19.6 is 24.5% of what number?

What is 2 divid by 8

How many solutions exist for the given equation? 0.75 (x + 40) = 0.35 (x + 20) + 0.35 (x + 20)

What transformations preserve measure of side lengths and angles.

The cost C in dollars ($) for a canoe rental for h (hours) is given by C = 4.50h + 10 Nick spends $39.25 How many hours did he rent the canoe?

Which rule explains why these triangles are congruent? A. SAS B. ASA C. AAS D. These triangles can not be proven to be congruent.

The aquarium has 30 times as many fish in one tank as jacob had. the aquarium has 90 fish. how many fish does jacob have