Solve the problem.Find the dimensions of a rectangle whose perimeter is 40 meters and whose area is 84 square meters.
A. 7 m by 13 m
B. 6 m by 14 m
C. 5 m by 15 m
D. 5 m by 13 m
Answer: B
Mathematics
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Determine the coordinates of the focus and the equation of the directrix of the parabola.x2 + 8y = 0
A. F(0, -2), x = 2 B. F(0, -2), y = 2 C. F(0, -2), y = -2 D. F(-2, 0), y = 2
Mathematics
Solve.Joan would like to tile her kitchen floors. She measures and finds that the room is 225 ft2. The tile sells for $18.25 per square yard. How much will it cost to have the kitchen tiled?
A. $457 B. $243.25 C. $456.25 D. $4,106.25
Mathematics
Simplify using the zero-power rule.(-4)0
A. 1 B. -1 C. 4 D. 0
Mathematics
Find an equation for the graph.
A. y = -5 cos 
B. y = -5 cos (2x)
C. y = -5 sin 
D. y = -5 sin (2x)
Mathematics