Substitute the given values into the formula and then evaluate to find the unknown quantity. Label units in your answer. If the answer is not exact, round your answer to the nearest hundredth.Find (a) the perimeter and (b) the area of a square with side lengths 
Use 
for perimeter and 
for area.
A. (a) 42 units
(b) 441 units2
B. (a) 84 units
(b) 441 units2
C. (a) 84 units
(b) 42 units2
D. (a) 441 units
(b) 84 units2
Answer: B
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What is the maximum value of
?
Consider only positive x-values.
A. 
B. ?
C. ?
D. There is no solution.
Solve the problem.The two largest oil spills together released 305 million gallons of oil into the oceans. The smaller of the two released 33 million gallons less than the larger of the two. How many million gallons did the larger one release?
A. 169 million gal B. 136 million gal C. 101 million gal D. 272 million gal
Solve by the method of your choice. Identify whether the system has no solution or infinitely many solutions, using set notation to express the solution set.4x + y = 11y = 12 - 4x
A. {(x, y) 
}
B. ?
C. {(5, -9)}
D. {(0, 11)}
Solve the problem.The electric current (in A) in a certain circuit as a function of time (in s) is i = 4 + 7t. What total charge passes a point in the circuit in 9 s?
A. 603 C B. 67 C C. 287.5 C D. 319.5 C