A service call charge or fee is when you are charged a certain amount of money in order for a service technician to perform that specfic service.
Answer:
P(odd)- 1/2
P(even)-1/2
p(odd and then even=1/2*1/2)
= 1/4 or 25%
Julie wants to express $108 in 6 weeks as a unit rate.
Her errors are:
$108 = $54 (Not true)
6 weeks = 3 weeks (Not true).
Instead,

The correct unit rate is 18 $/week.
Constant: A value that doesn't change. Instead, it's a fixed value.
Variable: A symbol (usually a letter) standing in for an unknown numerical value in an equation.
Term: Either a single number or variable, or numbers and variables multiplied together. (Terms are separated by + or − signs, or sometimes by divide.)
Like Terms: Terms whose variables (and their exponents such as the 2 in x2) are the same. In other words, terms that are "like" each other.
Coefficient: A number used to multiply a variable.
<h2>GOOD LUCK CHUCK :)))))))))</h2>