Graph the inequality on a number line. Then write the solution using interval notation.x < 4
A. (-?, 4)
B. (-?, 4]
C. (4, ?)
D. [4, ?)
Answer: A
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Use Newton's Law of Cooling to solve the problem.A cup of coffee with temperature 104°F is placed in a freezer with temperature 0°F. After 5 minutes, the temperature of the coffee is 70.1°F. What will its temperature be 20 minutes after it is placed in the freezer? Round your answer to the nearest degree.
A. 21°F B. 18°F C. 17°F D. 20°F
Simplify the expression. Assume that variables represent nonzero numbers.(w3z)3(w5z4)
A. w45z12 B. w14z7 C. w11z7 D. w8z7
Solve the problem. Round to the nearest dollar.A construction company purchased a piece of equipment for $1,610. The expected life is 9,000 hours, after which it will have a salvage value of $290. Find the amount of depreciation for the first year if the piece of equipment was used for 1,700 hours. Use the units-of-production method of depreciation.
A. $177 B. $149 C. $255 D. $304
Name the polygon.
A. nanogon B. triangle C. hexagon D. pentagon E. quadrilateral