Each week, abigail earns $75 for every shift she works at the pizzeria and $25 for every dog-walking job. she uses the expression 75x + 25y to keep track of her earnings. part a: identify the coefficients and variables in the expression. (3 points) part b: how many terms are in the expression, what are they, and how do you know? (4 points) part c: which term in the expression shows the total earned from the pizzeria? (3 points)

Here, the given expression that shows her total earning ( in dollars ),

75x + 25y,

Part A :

Variable is the quantity that can be vary in an expression,

Typically, It can be represented by a single letter,

Coefficients is numeric quantity that is placed before the variable,

So, in the above expression,

x and y are variables,

75 and 25 are coefficients,

Part B :

Terms are the single number or variable or a variable with a coefficient which are separated by mathematical signs ( +, - or etc ),

So, in the above expression,

75x and 25y are terms,

So, the expression has 2 terms,

Part C :

In the expression 75x + 25y

75 shows her earning for every shift she works at the pizzeria,

25 represents her earning for every dog-walking job,

Since, total earning = earning for each unit × number of unit,

Thus, the variable having coefficient 75 must shows the number of shifts,

Hence, 75x would be show the total earned from the pizzeria.

answer: it's d

step-by-step explanation: