Asimple random sample of colleges and universities in the united states has a mean tuition of with a standard deviation of . construct an confidence interval for the mean tuition for all colleges and universities in the united states. round the answers to the nearest whole number.

Raj encoded a secret phrase using matrix multiplication. using a = 1, b = 2, c = 3, and so on, he multiplied the clear text code for each letter by the matrix to get a matrix that represents the encoded text. the matrix representing the encoded text is . what is the secret phrase? determine the location of spaces after you decode the text. yummy is the corn the tomato is red the corn is yummy red is the tomato

Answer for 10 points show work you guys in advanced < 3

The ratios of boys to girls on a soccer league is 2: 5. if there are 28 boys, how many girls are playing soccer? extra points! will mark as brainiest asap