Solve.
+ 3 = 
+ 7
A. No solution
B. 
C. 
D. 
Answer: D
Mathematics
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Find the length of the curve.The spiral r = 6?, 0 ? ? ? ?
A. 16((?2 + 1)3/2 - 4)
B. 6
C. 3(?
+ ln (? + 
))
D. 36
Mathematics
Solve the equation for the indicated variable.2 - (n - 0.2x) = 3n for x
A. 
B. 10 - 20 n
C. 10 n - 2
D. 20 n - 10
Mathematics
Write an expression in terms of the given variable(s) that represents the indicated quantity.The amount of money in cents in a jar containing n nickels and some dimes and some quarters if there are 3 times as many dimes as nickels and twice as many quarters as dimes.
A. 85x cents B. 175x cents C. 110x cents D. 185x cents
Mathematics
Factor the trinomial completely, or state that the trinomial is prime.9x2 - x - 38
A. (9x + 19)(x - 2) B. (9x + 2)(x - 19) C. (9x - 2)(x + 19) D. (9x - 19)(x + 2)
Mathematics