In major league baseball, the distance between bases is 50 feet greater than it is in softball. The bases in major league baseball mark the corners of a square that has an area 6,400 square feet greater than for softball. Find the distance between the bases in baseball.
A. 50 ft
B. 39.00 ft
C. 64 ft
D. 89 ft
Answer: D
Mathematics
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Find the indicated roots.Fourth roots of -16; trigonometric form
A. 1 + i, 1 - i, -1 + i, -1 - i
B. 
+ 
i, 
- 
i, - 
+ 
i, - 
- 
i
C. 8
+ 8
i, 8
- 8
i, -8
+ 8
i, -8
- 8
i
D. 2 + i, 2 - i, -2 + i, -2 - i
Mathematics
Simplify the given expression. Expansion of any term is not necessary; proper recognition of the form of the expression leads to the proper result.cos2 4x - sin2 4x
A. 2 sin 4x
B. 
sin 16x
C. cos 8x
D. cos 4x
Mathematics
Solve the equation.5x2 - 30x + 40 = 0
A. 4 or ?2 B. 2 or ?4 C. 2 or 4 D. ?4 or ?2
Mathematics
Use transformations of the graphs of y = x2 or y = |x| to sketch a graph of f by hand.f(x) = 
A. 
B. 
C. 
D. 
Mathematics