Provide an appropriate response.Decide if the system has one solution, no solution, or an infinite number of solutions. 4x - y = 13 x + 2y = 10
A. No solution
B. One
C. Infinite number
Answer: B
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Provide an appropriate response.The function 
models the median, or average, age, y, at which U.S. men were first married x years after 1900. In which year was this average age at a minimum? (Round to the nearest year.) What was the average age at first marriage for that year? (Round to the nearest tenth.)Median Age at Which U.S. Men First Married
A. 1957, 23.1 years old B. 1957, 50.5 years old C. 1954, 36 years old D. 1936, 50.5 years old
Find the length of the unknown side in the right triangle. Round to two decimal places, if necessary.
A. b = 43.96 B. b = 15.04 C. b = 17.03 D. b = 5.47
Write an expression in terms of the given variable(s) that represents the indicated quantity.Joel's total earning after 3 years if the first year his salary was s dollars, the second year it was $7000 higher, and the third year it was twice as much as the first year.
A. 3s + 7000 dollars B. 2s + 7000 dollars C. 4s + 7000 dollars D. 3s + 7000s dollars
Identify the equation as either an identity or not.sin 6? tan 3? = 2 sin2 3?
A. Identity B. Not an identity