Answer:
3n^2+9+5n^4+55n
Step-by-step explanation:
Steps
$\left(3n^2+9+5n^4-3n\right)+\left(-9n\left(-7\right)-5n\right)$
$\mathrm{Remove\:parentheses}:\quad\left(a\right)=a,\:-\left(-a\right)=a$
$=3n^2+9+5n^4-3n+9n\cdot\:7-5n$
$\mathrm{Add\:similar\:elements:}\:-3n-5n=-8n$
$=3n^2+9+5n^4-8n+9\cdot\:7n$
$\mathrm{Multiply\:the\:numbers:}\:9\cdot\:7=63$
$=3n^2+9+5n^4-8n+63n$
$\mathrm{Add\:similar\:elements:}\:-8n+63n=55n$
$=3n^2+9+5n^4+55n$
Part A:
Orange Juice

Pineaplle Juice

Club Soda

Part B:

June have 8l of fruit puch left.
I hope it help
Answer:
-$2,419.69
Step-by-step explanation:
Kate gets a paycheck twice per month.
However, $345.67 is deducted for taxes.
Kate has been paid 7 paychecks.
345.67 x -7= -2,419.69
$2,419.69 has been deducted, so that should be negative.
Answer:
-$2,419.69