If the perimeter of a figure is doubled, then the dimensions were

A doubled
B quadrupled
C tripled
D halved

The trigonometric ratios sine and secant are reciprocals of each other

Complete the solution of the equation. find the value of y when x equals to 28 x+3y=28

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?