Answer:
sry i dont know
Step-by-step explanation:
Martha is indeed right when she states that -6 is a rational number. Just like the name implies, a rational number is a number that can be written as a/b with b not equal to 0. Since -6 can be written as -6/1, and since that is a ratio, that is why -6 is a rational number.
An obtuse angle!! It’s bigger than 90, but less than 180
Answer: The cost for 20 people equals $180.
Step-by-step explanation:
Given: It costs $100 to rent the bowling alley, plus $4 per person.
The cost for any number (n) of people can be found using the expression

We can find the cost for 20 people by substituting n=20 in the above expression, we get

Hence, The cost for 20 people equals $180.