There are 9 counters in a bag.

7 of the counters are green.

2 of the counters are blue.

Ria takes a random two counters from the bag.

Work out the probability that Ria takes one counter of each colour.

You must show your working.

What is th answer for 4 divied by 22

The area, a, of an ellipse can be determined using the formula a = πxy, where x and y are half the lengths of the largest and smallest diameters of the ellipse. Which is an equivalent equation solved for y? a. y = a · πx b. y = a + (πx) c.

Evaluate the given expression if x=25, y=10, w=45, and z=10 (x-y) ^2+10wz

Give an example in which system of equations will infinitely many solutions.

Which set of side lengths is a Pythagorean triple? A. 1, 3, 10 B. 4, 5, 9 C. 9, 40, 41 D. 16, 30, 44

Joel finished the race in 8.04 seconds. Ray finished the race in 8.40 seconds. Which statement is true? Ray had the faster time. Joel and Ray finished the race in the same amount of time. Joel had the faster time.

Hello umm stuff is cool i also like ice cream and chips.

Find the mode for the given data set. Stem Leaves 1 6,8 2 3,5,6 3 4,7,7 4 0,1,6

Anna tossed 3 coins in the air. What is the probability that exactly 2 of the coins show heads? Look back at all of the possible outcomes from #2 and use that to find your probability. Write the probability as a fraction. Simplify, if needed.

A gold and diamond bracelet sells for $1800. Find the sales tax and total price if the sales tax rate is 3.5%.