Answer:
A,D and E are the answers.
mark brainliest
Answer: 310
Step-by-step explanation: 1240 miles /4 days = 310 miles per one day
We have the following expression:

By combining similar terms, we get

now, 2 times 3 is 6 and to add exponents, both the exponents and variables should be alike:

Similarly,

Therefore, the answer is
Answer:
b
Step-by-step explanation:
Surface=2(5 x 4)+2(4 x 7)+2(5 x 7)=2(20)+2(28)+2(35)=40+56+70=166
Answer: 166 cm²