Question

7(3p + 4a)\
\bigcirc\\ 21p + 28a\
\bigcirc\\ 28p + 21a\
\bigcirc\\ 10p + 11a\
\bigcirc\\ 11p + 10a

Explanation:

Step1: Distribute 7 to 3p

$7 \times 3p = 21p$

Step2: Distribute 7 to 4a

$7 \times 4a = 28a$

Step3: Combine the two terms

$21p + 28a$

Answer:

21p + 28a