Solve.The formula for the area of a trapezoid is A = 
(b+B)h. Solve the formula for h. Use this formula to find the height of the trapezoid if the area, A, is 126 square meters, and the bases, b and B, are 12 meters and 16 meters.
A. h = 192 meters
B. h = 9 meters
C. h = 14 meters
D. h = 112 meters
Answer: B
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Solve.A projectile is thrown upward so that its distance above the ground after t seconds is 
After how many seconds does it reach its maximum height?
A. 24 sec B. 10 sec C. 18 sec D. 6 sec
Find the missing values.
A. $98.40, $141.60 B. $48.00, $192.00 C. $96.00, $144.00 D. $93.60, $146.40
Answer the following statement(s) true (T) or false (F)
1. An obtuse triangle has at least two obtuse angles. 2. All regular quadrilaterals have four lines of symmetry. 3. All regular polygons tessellate the plane. 4. The parallel sides in a trapezoid are called the legs of the trapezoid. 5. Regular polygons are polygons with all sides congruent and all angles congruent.
Simplify. Write your answers in the form of a+bi, where a and b are real numbers.(3 - 3i)(3 - 8i)
A. -15 + 33i B. -15 - 33i C. 33 + 15i D. 24i2 - 33i + 9