Answer:
Step-by-step explanation: To get your answer just times the $28.50 dollars he gets for food and by the days he's away $28.50 x 5=142.50
12x^2
Step-by-step explanation:
All you need to do is combine like terms
since 9x^2 and 3x^2 are like terms with the same variable and same degree, they can be combined to get 12x^2
Answer: 18/5
Step-by-step explanation: hope this helps pls mark me brainliest
jeri drew a plgon with exatly three sides