If the circle x square + y square + ax + 2y + 4=0. Passes through (2,2) find the centre of the circle.

What is the approximate area of a circle with a radius of 13 cm? A.) 40.8 cm^2 B.) 530.7 cm^2 C.) 784 cm^2 D.) 2461.8 cm^2

an ice rink inspects 25 pairs of skates, 2 were defective. The ri k has 151 pairs of skates. Estimate the number of pairs that are likely to be defective.

What is the APY for 6.5% compounded daily

Belinda baked 9 pies that weigh 20 1/4 pounds total. how much does each pie weigh?

Explain what defines direct variation. Then, check which of the following tables include directly proportional quantities x and y x 1 2 3 4 y 7 14 21 28

What does seven plus seven equal

The amount of a sample remaining after t days is given by the equation P (1) - Al2where A is the initial amount of the sample and h is the half-life, in days, of the substance. A sample contains 60% of its original amount of Fermium- 257.

What order will result a final output of 131,065 when the first input is 64

The three incoming currents at a node in an electrical current measure. 7 amps,.68amps,.47 amps. two of the three outgoing currents measure. 8 amps and. 55 amps. find the measure of the third outgoing current

Your school raised 125% of it's fundraising goal. The school raised $6750 what was the goal?