Perform the operations.
-3.1 + (-7.2) + 4.8

-5.5

Step-by-step explanation:

1. -3.1 + (-7.2) + 4.8

remove parentheses

add/subtract the numbers.

-3.1-7.2+4.8 = -5.5

450

step-by-step explanation:

you get texts and minutes, so why not

sample answer: you can determine whether each element of the domain is paired with exactly one element of the range. for example, if given a graph, you could use the vertical line test; if a vertical line intersects the graph more than once, then the relation that the graph represents is not a function.