Solve the problem using a known formula.You are varnishing the background for a right-triangularly shaped mural. The base of the mural is 3 meters and the height of the mural is 13 meters. How many cans of varnish will you need if each can covers 10 square meters?
A. 4 cans of varnish
B. 2 cans of varnish
C. 8 cans of varnish
D. 20 cans of varnish
Answer: B
Mathematics
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A. -10 B. 46 C. 50 D. 0
Mathematics
Find all values of ? in [0°, 360°) that satisfy the equation.sin ? = - 
A. 60°, 300° B. 150°, 210° C. 60°, 120° D. 210°, 330°
Mathematics
Solve the following system by any appropriate method. If there is no real number solution, so state.y2 = 8xy = x + 2
A. (2, 4) B. (2, 4), (2, -4) C. (2, 4), (-2, 0) D. (2, 4), (2, -4), (-2, 0)
Mathematics
Find an equivalent equation in rectangular coordinates.r = 
A. 6y + 5x = 
B. 6x - 5y = 4
C. 6y + 5x = 2
D. 6x + 5y = 2
Mathematics