Answer: option b.
Step-by-step explanation:
To solve this exercise you must keep on mind the identities shown below:
1)
2)
3)
Therefore, to rewrite you must substitute identities and simplify the expression, as following:
Therefore, as you can see, the answer is the option b.
Answer:
multiply the distance they walked by 4 since they walked for 4 days
Step-by-step explanation:
Answer:
18÷9=2
Step-by-step explanation:
Answer:
Step-by-step explanation:
<u>Order total:</u>
- 1.10 + 4 + 8.75 + 15 = 28.85
<u>Subtract coupon value:</u>
<u>Add a tip:</u>
- 20% of 18.85 =
- 0.2*18.85 =
- 3.77
<u>Total amount spent:</u>