Provide an appropriate response.Consider the following counting problem. Allison is trying to decide which three of her eight new books to take on vacation with her. How many different ways can she choose the three books? To solve this problem which of the following rules would you use?
A. The fundamental counting principle only
B. Both the permutations rule and the fundamental counting principle
C. The combinations rule only
D. The permutations rule only
Answer: C
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Write your answer in lowest terms.Timmy has saved 200 coins in his piggy bank. 40 coins are dimes. What fraction of the coins saved are dimes?
A. 40
B. 
C. 
D. 
Estimate the sum or difference by rounding each number to the nearest ten.
A. 100 B. 138 C. 140 D. 130
Use the properties of exponents to simplify the expression. Write with positive exponents.(4x-1/3 y1/4) (-6x1/5 y-1/6)
A. 
B. 
C. 
D. 
Provide an appropriate response.The series of sketches below starts with a square having sides of length 1 (one). In the following steps, squares are constructed by joining, in order, the midpoints of the sides of the previous square. Develop a formula for the perimeter of the nth square.
What will be an ideal response?