Solve the problem.A stack of 7 different cards are shuffled and spread out face down. If 5 cards are turned face up, how many different 5-card combinations are possible?
A. 42
B. 21
C. 1260
D. 2520
Answer: B
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Express the relationship between a small change in x and the corresponding change in y in the form 
.y = 8x2 - 7x + 7
A. dy = (16x - 7) dx B. dy = 16x - 14 dx C. dy = 16x + 7 dx D. dy = 16x dx
The gross tonnage G is a measure of a ship's capacity. It has no units. It is calculated in terms of the volume V, in cubic meters, of the ship. The relationship is
.
A: What is the gross tonnage of a ship with volume 11,126 cubic meters?B: Make a graph of gross tonnage versus volume. Include volumes up to 20,000 cubic meters.C: What is the volume of a ship that has a gross tonnage of 4,000?
?
Round your answers to two decimal places if necessary.
?
What will be an ideal response?
Solve.Find the length of the hypotenuse of a right triangle if the legs are 14 and 35 inches long.
A. 147 in.
B. 7
in.
C. 203 in.
D. 7
in.
Perform the operation and reduce to lowest terms.
÷ 
A. 
B. 
C. 
D. 4