Solve the problem.When 40% of a number is added to the number, the result is 168. What is the number?
A. 140
B. 29
C. 120
D. 48
Answer: C
Mathematics
You might also like to view...
Factor.m2n2 + 7mn + 12
A. (mn + 4)(mn + 3) B. (mn - 4)(mn + 3) C. (m + 4)(n + 3) D. (mn + 4)(mn - 3)
Mathematics
Simplify.
A. 
B. 1 - 2x
C. 
D. -1
Mathematics
Provide an appropriate response.If a < 0, which of the following correctly describes - 
?
A. Positive B. Zero C. Not real D. Negative
Mathematics
Write the system in the form 
Then solve the linear system by computing 
with a calculator. Round numbers to the nearest tenth, as necessary.2.6x - 0.7y + 5.3z - 3.4w = 12.9 6.5y + 0.7w = -1.8 4.0z - 2.2w = 1.54.9x + 0.6w = 3.2
A. (2.2, 1.1, 7.2, 12.4) B. (-2.2, 1.1, -6.4, 23.3) C. (2.2, -1.1, -6.4, 7.6) D. (2.2, 1.1, -6.4, -12.4)
Mathematics