Perform the indicated operations and simplify.
(c + d)(c – d)
c² – d²
Mathematics
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Solve the equation for the specified variable.V = 
Bh for h
A. h = 
B. h = 
C. h = 
D. h = 
Mathematics
Simplify the expression. Assume that all variables are positive when they appear.
A. 10x3y4 
B. 10y4 
C. 10x7y8 
D. 10x3y4 
Mathematics
Use the given graph of f(x) to find the intervals on which f'(x) > 0.
A. f'(x) > 0 on [-36, 36], f'(x) < 0 on (-?, -36] ? [36, ?) B. f'(x) > 0 on (-?, 6], f'(x) < 0 on [6, ?) C. f'(x) > 0 on [-6, 6], f'(x) < 0 on (-?, -6] ? [6, ?) D. f'(x) > 0 on (-?, -6] ? [6, ?), f'(x) < 0 on [-6, 6]
Mathematics
A car uses 18 gal of gas to go 580 mi. How many gallons are required to go 810 mi? Round your answer to nearest tenth.
A. 30.4 gallons B. 26.2 gallons C. 25.1 gallons D. 21.9 gallons E. 12.9 gallons
Mathematics