Answer:
Step-by-step explanation: The simplification calculator allows you to take a simple or complex expression and simplify and reduce the expression to it's simplest form.
Answer:
0.20 represents the cost of the plan after t minutes. 50 represents an increase for each minute that passes. Basically you mulitply 0.20 by the time in minutes and add 50 after each minute.
Answer:
the answer is -x+55
Step-by-step explanation:
5 / 7 i think because 5 divided by 7 would be 5/7 as a fraction and she has 5/7 done