Suppose Jolene played 56 tennis matches in one year, and won 38 of them. What percent of the matches did she win? Round your answer to the nearest whole percent. A: 58 percent
B: 42 percent
C: 73 percent
D: 68 percent

State if the two triangles are congruent. if they are, state how you know?

Atriangle has side lengths of x, x+11, and 3x+5. what is the perimeter?

A. find the power of the test, when the null hypothesis assumes a population mean of mu = 450, with a population standard deviation of 156, the sample size is 5 and the true mean is 638.47 with confidence intervals of 95 b. find the power of the test, when the null hypothesis assumes a population mean of mu = 644, with a population standard deviation of 174, the sample size is 3 and the true mean is 744.04 with confidence intervals of 95% c. find the power of the test, when the null hypothesis assumes a population mean of mu = 510, with a population standard deviation of 126, the sample size is 10 and the true mean is 529.44 with confidence intervals of 95