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area of the rectangle is 168 inch²

area of triangle:

→ * base * height

→ * 2 * 12

→ 12 inch²

area of left triangle is 12 inch² and right triangle is 12 inch²

Both triangle have same area; so total area of both: 2 * 12 = 24 inch²

Area of the trapezoid: area of the rectangle + area of two triangles

                                   →  168 inch² + 24 inch²

                                   → 192 inch²

4 packs of water and 7 packs of candy bars

step-by-step explanation:

35x4=140

140/20=7

the answer is b.

step-by-step explanation:

by the trigonometric ratio tangent, tangent equals opposite divided by adjacent.

therefore, tan(50) equals ac/3

multiply each side by 3 to get: ac=3tan(50)

the answer is b.