It's the bottom one. 20 dollars has to be less than or equal to the amount. you cannot spend more than $20
When a negative number is subtracted from another number, the number will be added to the original. This means the equation will become -11 + 11 therefore the answer is 0
Answer: 720 ways
Step-by-step explanation:
Given
A train has 1 main engine and remaining 6 train cars
If the engine is always in the front the remaining train cars can be arranged is

Answer:
In 2/4 and 3/4, 3/4 has more than 2/4.
Step-by-step explanation: