Select an algebraic expression for the verbal description.
?
The area of a triangle with base 16 inches and height h inches
?
A. 9h
B. 32h
C. 8h
D. 64h
E. 16h
Answer: C
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Test the vector field F to determine if it is conservative.F = -cos x cos yi + sin x sin yj - sec2 zk
A. Conservative B. Not conservative
Use logic to solve the problem.In India, water lilies grow extremely fast. In one pond, a lily grew so fast that each day it doubled the area it covered. In 26 days it covered the pond. How long would it take 2 such lilies to cover the pond?
A. 26 B. 6 C. 25 D. 13
Solve the problem.The revenue achieved by selling x graphing calculators is figured to be 
dollars. The cost of each calculator is 
How many graphing calculators must be sold to make a profit (revenue - cost) of at least $67.50?
A. {x ? 11 < x < 13} B. {x ? 12 < x < 18} C. {x ? 10 < x < 14} D. {x ? 9 < x < 15}
Tell whether the statement is true or false.Every rational number is an integer.
A. True B. False