Answer:
the 1st, the 2nd one, and the 4th one
Step-by-step explanation:
Hope this helps and have a good day !
Directly proportional or positively correlated
Answer: 85
Step-by-step explanation:
To solve this problem, we want to use the order of operations, or PEMDAS.
Parenthesis
Exponent
Multiply
Divide
Add
Subtract
To be more specific, you evaluate the expression in the order from top to bottom. To clarify, it is multiply OR divide, depending on which comes first, left to right. This also applies to add OR subtract.
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20÷(5-3)+5²(3) [solve parenthesis]
20÷(2)+5²(3) [solve exponent]
20÷2+25(3) [solve multiply or divide, left to right]
10+75 [solve add or subtract]
85
18/30=?/100
18 times 100 = 1800
1800 divided by 30
60%
Answer:
D
Step-by-step explanation:

combininig the two cases
x≤-6 and 0<x≤6