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Step-by-step explanation:

2  Ms. Salgato doesn’t want to spend more than $375 that in symbols can be expressed as .

$100 is a constant so it doesn’t multiplies the x. The hour are instead a variable so $40 multiplies the x

so the final answer is

C  

9 no less than $455 can expressed as

if we solve the inequality

we have

so the final answer is A

13

$130 is a constant, while $3 mulplied a variable. No more means

we can now write and solve an inequality:

so the answer is C : 20

14

$9 multiplies a variable, a minimum can be expressed as

so the final answer is

B :