Answer:
Step-by-step explanation:
2o4 because 431 minus 227 is 204
(3 +

) × (3 -

)
Take the special case
(a - b)×(a + b)=a² - b²
a = 3
b =

3² - (

)² {(√)² = the number itself}
9 - 5
4
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weekly income y:
y = 10x
where x is number of hours worked per week
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domain: x >= 0 hours
range: y >= 0 dollars
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Solve and graph linear equations:
https://sooeet.com/math/linear-equation-solver.php
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The answer will be B. I know this because if you multiply 0.12*0.1 you end up getting 0.012.