The lengths of the legs of a right triangle are given. Find the hypotenuse.a = 4, b = 3
A. 7
B. 25
C. 2
D. 5
Answer: D
Mathematics
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Choose the best answer.The volume of a cereal box is about
A. 3140 mm3 B. 3140 cm3 C. 3140 m3 D. 3140 dm3
Mathematics
Determine if the function is even, odd, or neither.f(x) = 0.25x2 + 
+ 6
A. Odd B. Even C. Neither
Mathematics
Graph the function.y = 3 cos (3x - ?)
A. 
B. 
C. 
D. 
Mathematics
Find the vertex, focus, and directrix of the parabola with the given equation.(x - 4)2 = -20(y + 1)
A. vertex: (4, -1) focus: (4, -6) directrix: y = 4 B. vertex: (4, -1) focus: (4, 4) directrix: x = -6 C. vertex: (-1, 4) focus: (-1, -1) directrix: y = 9 D. vertex: (-4, 1) focus: (-4, -4) directrix: y = 6
Mathematics