Answer the question or provide an explanation.In order to purchase carpet for a room, would you need to use perimeter or area to decide how much to buy?

A. Area
B. Perimeter


Answer: A

Mathematics

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Find numbers a and b, or k, so that f is continuous at every point. 

A. a = 1, b = 2 B. a = -1, b = 2 C. a = 1, b = -2 D. Impossible

Mathematics

Solve the problem.Use the exact value cos 72° =  and identities to find the exact value of sin 72°.

A.
B.
C.
D.

Mathematics

Simplify the expression without using a calculator.

A. -823,543
B. - 
C.
D. 823,543

Mathematics

Sketch a graph that models the given situation.The distance that a bicycle rider is from his home if he is initially 18 miles away from home and arrives home after riding at a constant speed for 3 hours.

A.
 
B.

C.
 
D.

Mathematics