D. lung cancer is the most common cause of cancer death.
B or c because they both are very good answers sorry i couldn't help that much :(
Pregnancy can contribute to morning sickness
Answer:
You must buy at least 3 shirts
Explanation:
10% of 17.99 is 1.799.
1.799 * 2 = 20% of 17.99
20% of 17.99 is 3.598 or 3.60
17.99 - 3.60 = price of shirt with 20% discount
14.39 = price of shirt with 20% discount
14.39x = 40
x = 2.78
You must buy at least 3 shirts