Answer:

Step-by-step explanation:
Intersection represents the elements present in both sets.
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Answer:
-42
Step-by-step explanation:
f(8)=6(1-8)
because of that 1-8 is -7 so you times by 6 and get -42
Answer:
3.7 + r < 1.2
Step-by-step explanation:
a number r added to 3.7 is 3.7 + r
New expression 3.7 + r should be less than 1.2 --->
3.7 + r < 1.2
4.21 x 10<span>6 is the answer
I'm Emilee, I'm always right. </span>