Find the product. Try to do the work mentally.1 ? 7 ? 3
A. 11
B. 21
C. 31
D. 28
Answer: B
Mathematics
You might also like to view...
Solve the system by elimination.5 x - y = 242x + y = 11
A. No solution B. (5, 1) C. (1, 5) D. (5, 2)
Mathematics
Factor.x2 - 2x - 48
A. prime B. (x + 8)(x - 6) C. (x - 48)(x + 1) D. (x - 8)(x + 6)
Mathematics
Find the domain and the range for the function.
A. D: 
, R: 
B. D: 
, R: 
C. D: 
, R: 
D. D: All real numbers, R: All real numbers
Mathematics
Solve the problem.An airplane leaves Los Angeles for Denver at a speed of 410 mph. Thirty minutes later, a plane going from Denver to Los Angeles leaves Denver, which is 850 miles from Los Angeles, at a speed of 530 mph. When they meet, how far are they from Denver?
A. 364 mi B. 126 mi C. 63 mi D. 314 mi
Mathematics