Answer:
the last one yw :)
Step-by-step explanation:
Answer:
3940+278d
Step-by-step explanation:
1. Distribute 14 and 23 through their parenthesis,
2100 + 140d + 1840 +138d
2. Add the common terms,
3940+ 278d
Answer:
I think he made a mistake in the first one
Step-by-step explanation:
Answer: 530 cm^2
Step-by-step explanation:
A = 3.14 * r^2
A = 3.14 * 13 * 13
A = 3.14 * 169
A = 530 cm ^2