Calculate the area of a triangle with vertices at A(-5,-3) B(3,-3) and C(3,10) Plot the points and use the formula Area - 1/2 Base x Height

Tatiana reads 40 pages of her book every night for x number of nights. write an expression that shows the number of pages she has read

Write the factored form of this trinomial 9x^2+18x-7

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