Guess the rule used to change one number into another.

A. 4n + 3
B. 3n + 1
C. 2n + 7
D. None of the above is the correct rule.


Answer: C

Mathematics

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Determine whether the function is a solution of the wave equation.w(x, t) = sin (5x + 5ct)

A. No B. Yes

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Perform the operations indicated. Write your answer in simplest form.-3 + (-18)

A. -21 B. -15 C. 15 D. 21

Mathematics

Solve the problem.A bag of marbles has twice as many blue marbles as green marbles, and the bag has at least 33 marbles in it. At least how many green marbles does it have?

A. At least 17 green marbles B. At least 11 green marbles C. At least 12 green marbles D. At least 22 green marbles

Mathematics

Solve the formula for the specified variable.I =  for R

A. R = 
B. R = kEI
C. R = 
D. R = kE - I

Mathematics