You are dealt two cards successively (without replacement) from a shuffled deck of 52 playing cards. find the probability that both cards are black. express your answer as a simplified fraction.

A sample of n = 5 scores has a mean of m = 8. one new score is added to the sample and the new mean is calculated to be m = 9. what is the value of new score?

N a recent flu epidemic, the number of flu cases increased by 40% each week. There were 3,000 flu cases during the first week of January. How many more people were affected by the flu during the third week of January than during the first week?

Five times the sum of a number and 3 is the same as 3 multiplied by 1 less than twice the number. what is the number

Rory measures the thickness of each of three different wires. 7.2 mm 2.14 mm 5.875 mm What is the thickness of all three wires combined? Enter your answer in the box. mm

Find x in this 45°-45°-90° triangle. 145972 x X= 4.572 9 18

Put these imperial measurements of weight in order from lightest to heaviest: 1 pound, 1 ounce, 1 tonne and 1 stone

What is the answer to the problem 2x+8+2x=4 (x+2)

Less than 100 students want to start at 9:00 am is it a random sampling or a population inferences

Raymond wants to estimate the percentage of parents that use cloth diapers. He asks a randomly selected group of 200 parents whether or not they use cloth diapers. What is the parameter?

Ice analyzing angle-pair relationships. W Which of the following statements are true about the angles in the figure? Select all that apply X and _Z are vertical angles _X and Y are a linear pair 2W and Z are supplementary.