Abag has 2 yellow, 7 red, and 1 green marble. what is the probability of picking a red marble, replacing it, and then picking a green marble?

How many solutions does the nonlinear system of equations graphed bellow have?

Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 25, a standard deviation of 2.5, and margin of error of 5%

21 type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar. the solution set of n2 - 14n = -45 is { (separate the solutions with a comma)