Which is the angle of rotational symmetry for the isosceles trapezoid?

Which best explains why this triangle is or is not a right triangle?

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?

What is the cube root of -1,000p^12q3? -10p^4 -10p^4q 10p^4 10p^4q