Write the phrase as a variable expression. Use x to represent "a number."The product of -21 and the sum of a number and 5
A. -105x
B. -21 + 5x
C. -21(x + 5)
D. -21x + 5
Answer: C
Mathematics
A. -105x
B. -21 + 5x
C. -21(x + 5)
D. -21x + 5
Answer: C