Let A={x|x<-3} and B={x|x<=0} is A a subset of B?

According to given case ;

Set A contains elements smaller than -3, and Set B has elements smaller than or equal to 0, therefore Set B includes the numbers smaller than -3 as well.

so, we can conclude that Set A is a Subset of Set B

The statement in the given question is correct ~

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d

step-by-step explanation:

b: |12 – x| ≤ 0.25

step-by-step explanation:      

let x be the possible lengths in inches, of the ribbons jaime cut.

we have been given that jaime is cutting strips of ribbon for a project. he tries to cut each piece to be 12 inches long, but sometimes he cuts it too long or too short by as much as 0.25 inch.  

we can represent this information in an inequality as:

by the definition of absolute value function we will get,

upon combining our inequalities we will get,

therefore, the inequality   describes all the possible lengths (x), in inches, of the ribbons jaime cut.

step-by-step explanation: