The length of the rectangular desk is twice its width. Its area is 0.98 square meters. Find the dimensions of the desk.
A. 0.5 m by 1.2 m
B. 0.7 m by 1.4 m
C. 0.9 m by 1.6 m
D. 1 m by 1.7 m
Answer: B
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Find the unknown side of the right triangle using the information given to the nearest thousandth.leg = 2 m, leg = 4 m
A. 2.449 m B. 4.472 m C. 3.464 m D. 1.414 m
Divide.Divide -42 by 0.07
A. -60 B. -0.6 C. -600 D. -6
Solve the problem.As part of a physics experiment, Ming drops a baseball from the top of a 350-foot building. To the nearest tenth of a second, for how many seconds will the baseball fall? (Hint: Use the formula h = 16t2, which gives the distance h, in feet, that a free-falling object travels in t seconds.)
A. 1.2 sec B. 87.5 sec C. 4.7 sec D. 21.9 sec
Solve the problem.A biology experiment required pouring 
gallon of nutrient solution and 
gallon of pure water into a tank. At the end of the experiment, 
gallon of fluid had evaporated. How much fluid remained in the tank?
A. 
gallon(s)
B. 
gallon
C. 
gallons
D. 
gallon