Answer:
think it's the last one
Step-by-step explanation:
sorry if i'm wrong
Answer:
1. 8/$12=21/$x then cross multiply.
2. 1/$1.5, we're looking for cost so $1 is more reasonable
3. $31.5
Step-by-step explanation:
12x 21/ 8 = 31.5
Answer:
16
Step-by-step explanation:
Following the order of operations (PEMDAS), combine the terms in your parentheses:

Remember that we follow the order of operations from left to right.
Divide 8 into 2:

Multiply:

Is that everything for the problem??
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Answer:
No for the first
Step-by-step explanation:
Sorry i do not know the second one bt the first one is No it is not a right angle