Yes it is a function because there are not any repeating x values ( first number in each set of parentheses)
I'm assuming you want to know what 45% of 360 is.....
so you multiply 360 by 0.45 (since 45 is a percent, and to revert it back, you must move the decimal 2 times to the left) and you have your answer...
Answer:
x=-7
Step-by-step explanation:
divide 12 on both sides and that equals -7