Find the mean of the data set. if necessary round to nearest tenth. 18.1,17.9,16.8,18.7,15.1

Write a numerical expression that satisfies all of the following conditions. 1.)the only number used in the expression is 5 2.)at least one exponent other than 1 is used 3.)when the expression is evaluated, the answer is greater than 40 and less than 50

Find all solutions for 2y - 4x =2 y = 2x + 1 site: socratic. org

I’ve been trying all day to figure this puzzle out. i need the work for it aswell. it is a factoring polynomials tarsia. the image is below.