Solve the problem.The temperature, t, in degrees Fahrenheit, of water  65 + m where m is the number of minutes since heating began. How long will it take for the temperature of the water to reach 70 degrees Fahrenheit?

A. 40 min
B. 14 min
C. 17 min
D. 20 min


Answer: D

Mathematics

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Answer the question.Tell which of the following distributions would have the least variation.

A. Weights of 20-year old women B. Weights of adult men C. Weights of 20-year olds D. Weights of all adults

Mathematics

Solve the problem.A store owner wishes to stack books into equal piles, each pile containing only one title. There are 15 books of one title and 35 books of another title in a shipment. What is the largest number of books that can be stacked in each pile?

A. 15 B. 105 C. 35 D. 5

Mathematics

Provide an appropriate response. A parallelogram measures 22 cm by 15 cm with a height of 12 cm. If the length is decreased to 20 cm, what would the dimensions be to maintain the area?

A. height,13.2 cm; width, 16.5 cm B. height, -8 cm; width, +76 cm C. height, 16.5 cm: width 14.d cm D. height, 16.5 cm; width 13.2 cm

Mathematics

Use half-angle identities to find the exact value of the expression.sin 

A.
B.  
C.
D.  

Mathematics