1/2x+40=50 what is the answer for this problem? ?

Christina can paint 420 square feet in 105 minutes. which unit rate describes the scenario?

Afarm is to be built in the shape of quadrilateral abcd, as shown below. all four sides are equal. a rhombus abcd is shown with diagonal ac equal to 15.5 feet and diagonal bd equal to 13.2 feet. what is the area of the farm? pleas only pick from the 4 below 62 square feet 52.8 square feet 57.4 square feet 102.3 square feet

Simplify the expression below -3(10x+4y)+6(6x-2y)