Answer:
454
Step-by-step explanation:
So, I'm assuming that the x represents multiplication...
Because multiplication has a higher precedence over addition, we'll multiply the numbers first:
18 + 48
Then we simply add:
66
Answer:

2. option D
3. option C
4. option D
5. option C
6. option B
7. option C
8. option D
9. option C
10. option C
Step-by-step explanation:
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<h3>Hope it is helpful...</h3>
Answer:
0.14
Step-by-step explanation: