Answer:
40°
Step-by-step explanation:
Vertically opposite angles are equal.

Answer: C
Step-by-step explanation: The opposite of a positive integer (18) is -18
Which also means its value is 18
Hope this helps!
Answer:
4.0
Step-by-step explanation:
Look at the decimal place next to the tenths place. It has a 2 in its place. The rule for rounding is that any number 4 or lower is rounded down. Any number 5 or above is rounded up. The number is 2, which is below 4, so we round down. The tenths place would stay the same because it can't get any smaller. Therefore, 4.028 is rounded down to 4.0
The given radical root 84, the simplification is option B;
.
<h3>What is a simplification of an expression?</h3>
Usually, simplification involves proceeding with the pending operations in the expression.
Simplification usually involves making the expression simple and easy to use later.
The given radical;

Thus, the correct option is B;
.
Learn more about Simplification ;
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Answer:
7 hours
Step-by-step explanation:
9 : 30 to 17:00 = 7 hours 30 minutes
Minus 30 minutes = 7 hours