The double-line graph shows temperature highs and lows for a week. 
On what day of the week was the difference between the high temperature and the low temperature the least? What was this difference in temperature?
Fill in the blank(s) with the appropriate word(s).
Friday; 3°F
Mathematics
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3x(7x + 9y) + 8x(y + 4) =
a. 21x + 27xy + 8y + 32x b. 21x2 + 35xy + 32 c. 21x + 35xy + 32y + 4 d. 21x2 + 32x + 35xy e. 21x2 + 17xy + 8x + 4
Mathematics
Divide using long division.
A. 4f2 + 6f - 
B. 4f2 + 4f - 
C. 4f2 + 4f - 2
D. 4f2 + 8f + 4 + 
Mathematics
Solve the equation.
= 
A. No solution B. 8 C. -8 D. 0
Mathematics
Decide whether the relation is a function.{(1, -1), (1, -3), (5, -6), (9, -4), (12, 5)}
A. Function B. Not a function
Mathematics