Use an equation to solve the problem.Elaine had 5 buttons and her grandmother donated 5 cards of buttons to the collection. Elaine sorted the buttons into 5 piles, putting 8 buttons in each pile. How many buttons were on each card from Elaine's grandmother?
A. 3 buttons
B. 33 buttons
C. 7 buttons
D. 36 buttons
Answer: C
Mathematics
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Add.22 + 22
A. 43 B. 0 C. 45 D. 44
Mathematics
Use a graphical method to solve the system. Give x- and y-coordinates correct to the nearest hundredth.x2 - y2 = 7.82x = 2y - 5
A. (-2.97, 1.01), (6.31, 5.65) B. (-6.31, 5.65), (2.97, 1.01) C. (-6.31, -5.65), (2.97, -1.01) D. (-2.97, -1.01), (6.31, -5.65)
Mathematics
Solve the problem.Given below are the winning times for the men's 100 meter Olympic freestyle for various years.
Let W represent the winning time (in seconds) at t years since 1971. Find an equation of a linear model to describe the data.
What will be an ideal response?
Mathematics
Provide an appropriate response.Change to simplest radical form: 
What will be an ideal response?
Mathematics