I don’t know anything and it’s a quiz and I need to do good on it.

Evaluate the expression for the given value of the variable 2×(c2-5) for c=4

Apublic library wants to place 4 magazines and 9 books on each display shelf. the expression 4s+9s represents the total number of items that will be displayed on s shelves. simplify the expression

Aline passes through (1,-5) and(-3,7) write an equation for the line in point slope form rewrite the equation in slope intercept form