Answer:
$1200
Step-by-step explanation:
According to the question,
$500 for airline ticket plus $100 each day .
Therefore, a seven day vacation would cost you $500 for the airline ticket plus $100 times seven days .
That is $500 + ( $100 x 7)
$500 + $700
$1200
A Prime Number can be divided evenly only by 1, or itself.
<span>And it must be a whole number greater than 1.
</span>Example: 3 can only be divided evenly by 1 or 3, so it is a prime number.
The answer is 13.
You can evaluate this by substituting x for 5 in the expression.
4x-7
4(5)-7
20-7
13
1. 4.47 x 10^3
2. 4.8 x 10^8