Find the acute angle between the lines.y = 
x + 6 and y = - 
x - 3
A. 30°
B. 60°
C. 75°
D. 45°
Answer: B
Mathematics
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Perform the indicated operation. Write the sum as a fraction, whole number, or mixed number in lowest terms.20
+ 1
+ 7
A. 29
B. 30
C. 29
D. 28
Mathematics
Simplify.-85 ÷ (-5)
A. 17
B. -17
C. 7
D. 
Mathematics
Determine whether the sequence is geometric.4, 12, 36, 108, 324, . . .
A. Geometric B. Not geometric
Mathematics
Solve the problem.Over time a house worth $60,000 depreciates by 2% annually. What will the value be in 20 years?
Fill in the blank(s) with the appropriate word(s).
Mathematics