Given a triangle with two of its sides measuring 1 ft. and 3 ft. and an included angle that measures 80°, what would be the area? Round answer to the nearest tenth.

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?