Combine the like terms to create an equivalent expression: \large{2r+1+(-4r)+7}2r+1+(−4r)+72, r, plus, 1, plus, left parenthesis, minus, 4, r, right parenthesis, plus, 7

Use the discriminant to describe the roots of each equation. then select the best description. 2m2 + 3 = m double root real and rational roots real and irrational roots non-real roots

Nick has box brads. he uses 4 brads for the first project. nick let’s b represent the original number of brads and finds that for the second project, the number of brads he uses is 8 more than half the difference of b and 4. write an expression to represent the number of brads he uses for the second project.

How do you find the distance of each number from the mean