Simplify the expression.
4(20 + 12) – (4 - 3)

How do you write a paragraph proof to prove that the corresponding angles shown are congruent

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?

The ivring berlin learning center would like a possible net profit of $650,000 on its new resource manual it sells to schools. the fixed costs for producing the manual are $780,000 and the variable cost per package is $19.85. if the estimated unit sales are 1,250,000 units, what selling price unit should the ivring berlin learning center try?