Add.
A. 1,504
B. 1,673
C. 1,460
D. 1,548
E. 1,335
Answer: A
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Identify the curve represented by the equation.x(2x + 9y) = y(9x + 2)
A. Hyperbola B. Ellipse C. Parabola D. None of these
Solve the problem.At a local grocery store the demand for ground beef is approximately 50 pounds per week when the price per pound is $4, but is only 40 pounds per week when the price rises to $5.50 per pound. Assuming a linear relationship between the demand x and the price per pound p, express the price as a function of demand. Use this model to predict the demand if the price rises to $5.80 per pound.
A. p = 0.15x + 11.5; 38 pounds B. p = 11.5x + -0.15; 40 pounds C. p = - 0.15x + 11.5; 38 pounds D. p = - 0.15x - 11.5; 40 pounds
Solve the problem.A stockbroker sold 90 shares of stock for $18.02 each. What was the total amount of the sale?
A. $1621.70 B. $1621.90 C. $1621.80 D. $1621.91
Find the first term for the arithmetic sequence. Find a1 when d = -6 anda8= -12.
A. 36 B. 30 C. -60 D. -54