I have a angle relationship question the top is 3x and th bottom is x+20°

Ling listed all of the factors of a mystery number: 1,2,4,8,16,32 what is the mystery number?

Which is f(5) for the function –2x2 + 2x - 3?

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?