Solve by addition or substitution. x + 9y = 592x + 9y = 64
A. (-5, 5)
B. (6, 5)
C. (5, 6)
D. ?
Answer: C
Mathematics
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Sam starts walking from point A at 1 miles per hour. One-half hour later, Paul starts walking from point A at 1.5 miles per hour and follows the same route. How long will it take Paul to catch up with Sam?
A. 60 minutes B. 65 minutes C. 55 minutes D. 70 minutes
Mathematics
Multiply.0.0097 × 6.9
A. 0.06693 B. 0.006693 C. 0.0006693 D. 0.6693
Mathematics
Provide an appropriate response.Simplify: 
Fill in the blank(s) with the appropriate word(s).
Mathematics
Tell whether the angle is acute, right, obtuse, or straight.
A. Right B. Acute C. Straight D. Obtuse
Mathematics