Write the ratio in lowest terms in order to decide whether the proportion is true or false. = 

A. True
B. False


Answer: B

Mathematics

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Solve the problem. Round results to an appropriate number of significant digits.A plane is found by radar to be flying 5.7 km above the ground. The angle of elevation from the radar to the plane is 84.0°. Ten seconds later, the plane is directly over the station. Find the speed of the plane, assuming that it is flying level.

A. 230 km/hr B. 240 km/hr C. 210 km/hr D. 220 km/hr

Mathematics

Estimate the answer to the problem.An appliance store sells 17 refrigerators a week. Without finding the exact amount, calculate the total amount of money the store makes in a week if each refrigerator costs $749.

A. $7000 B. $14,000 C. $8000 D. $16,000

Mathematics

Provide an appropriate response.The supply and demand equations for a product are p = q + 20 and p = 200 - q, respectively, where q represents the number of units and p represents the price per unit in dollars. The equilibrium price is

A. $10. B. $20. C. $30. D. $40. E. $50.

Mathematics

Graph the function.f(x) = 2

A.

B.

C.

D.

Mathematics