Perform the indicated subtraction.-2.9 - (-2.1)
A. -0.8
B. -5
C. 5
D. 0.8
Answer: A
You might also like to view...
Find the vertex for the parabola whose equation is given.y = x2 + 9x
A. (0, -9)
B. (- 
, - 
)
C. (0, 0)
D. (-9, -81)
Solve the problem.Dr. Smith can see 10 patients in 2 hours. At this rate, how long would it take him to see 80 patients?
A. 400 hr B. 16 hr C. 15 hr D. 20 hr
Determine whether the pair are two equivalent expressions, two equivalent equations, or neither.5x - 2 + 2x + 9 and 7x + 7
A. expressions B. equations C. neither
Solve.An express train travels 275 miles between two cities. During the first 
of a trip, the train traveled through mountainous terrain. The train traveled 
per hour slower through mountainous terrain than through level terrain. If the total time to travel between the cities was 5 hours, find the speed of the train on level terrain.
A. 63 mph B. 43 mph C. 83 mph D. 23 mph