Translate the English sentence into a mathematical sentence and solve.Some number subtracted from twenty-one is equal to seven.
A. x = 7 - 21; -14
B. 21 - 7 = x; 14
C. x - 21 = 7; 28
D. 21 - x = 7; 14
Answer: D
Mathematics
You might also like to view...
Provide an appropriate response.Rationalize the numerator: 
Fill in the blank(s) with the appropriate word(s).
Mathematics
Find the value for the function.Find f(2) when f(x) = 
.
A. 4
B. - 
C. 2
D. 
Mathematics
Find the value of the expression.
A. 1
B. 
C. 
D. 
Mathematics
The function 
is one-to-one on the domain 
Find 
a. 
b. 
c. 
d. 
e. 
Mathematics