Decide whether the pair of lines is parallel, perpendicular, or neither.y + 3 = -4x and 2y = 8x - 2
A. Parallel
B. Perpendicular
C. Neither
Answer: C
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Determine whether the function is an exponential function.(
)-x
A. No B. Yes
Solve the problem using two linear equations in two variables and Cramer's rule.Twice the water flow in the hot-water pipe is the same as three times the flow in the cold-water pipe. The combined flow is 1400 liters/hr. What is the flow in each pipe?
A. 700 liters/hr hot, 467 liters/hr cold B. 840 liters/hr hot, 560 liters/hr cold C. 467 liters/hr hot, 700 liters/hr cold D. 560 liters/hr hot, 840 liters/hr cold
Solve the problem.The Family Fine Arts Center charges $20 per adult and $11 per senior citizen for its performances. On a recent weekend evening when 514 people paid admission, the total receipts were $7175. How many who paid were senior citizens?
A. 345 senior citizens B. 259 senior citizens C. 169 senior citizens D. 255 senior citizens
Use addition, subtraction, or multiplication to solve the problem.A company pays every employee $9 for each item he or she produces. If there are 15 employees and they make an average of 101 items, what is the total amount paid to the workers?
A. $1044 B. $2424 C. $125 D. $13,635