Pleas me! 4(m + 3 + 5m) part a: write two expressions that are equivalent to the given expression. part b: show that one of your expressions in part a is equivalent to the given expression using algebraic properties. explain which properties you used.

Brian, chris, and damien took a math test that had 20 questions. the number of questions brian got right is 14 more than the number of questions chris got right. damien correctly answered 2 less than the number of questions chris answered correctly. if brian and damien have the same score, which statement is true?

Amachine part consists of a half sphere and a cylinder, as shown in the figure. the total volume of the part is π cubic inches.

Suppose the equation of a line is 2x − 4y = − 8. which coordinate pair represents the y-intercept?