Add the numbers using the number line.-1 + 0 
A. -10
B. 1
C. 0
D. -1
Answer: D
Mathematics
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Add.(4x2 - xy - y2) + (x2 + 9xy + 7y2)
A. 3x2 - 10xy - 8y2 B. 5x2 + 8xy + 6y2 C. 4x2 + 9xy + 7y2 D. 5x2 + 10xy + 8y2
Mathematics
Use units to help you answer the question. If necessary, round your answer to two decimal places.Your car gets 33 miles per gallon of gasoline, and you drive at an average speed of 44 miles per hour. How much gas do you use in an hour?
A. 0.69 gal B. 0.75 gal C. 1.33 gal D. 1.45 gal
Mathematics
Solve the problem.For what value of r does the infinite series 1 + 2r + 5r2 + 2r3 + r4 + 2r5 + 5r6 + 2r7 + r8 + ... converge?
A. |r| < 
B. |r| < 
C. |r| < 
D. |r| < 1
Mathematics
Find two numbers that have the product of 14 and the sum of 9.
A) 1 and 7 B) 1 and 6 C) 2 and 9 D) 2 and 6 E) 2 and 7
Mathematics