Solve and check the equation.7x - 4 = 66
A. {67}
B. {13}
C. {10}
D. {63}
Answer: C
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?Which of the following is a valid method of solving the following?: 4.0 kilograms = ? lbs. ?
A.
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B.
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C.
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D.
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E.
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Solve the problem.A rectangular garden measures 20 feet by 40 feet. The landscaping designed a concrete walkway to go around thisrectangular garden. In the diagram below, this concrete walkway is x feet wide. The entire concrete walkway covers 544 square feet in area. What is the width of x of this concrete walkway? 
A. 8 feet B. 2 feet C. 4 feet D. There is not enough information given.
Evaluate the expression for the given value or values.
for x = 171, y = -3
A. 60 B. -60 C. -57 D. 57
Solve the problem.The fuel mileage on Ryan's car is 20 miles per gallon. After filling the tank, which has a capacity of 15 gallons, how far can he go before his car runs out of gas?
A. 304 miles B. 302 miles C. 303 miles D. 300 miles