Answer:
22
Step-by-step explanation:
5x
5 * 2 = 10
10 + 12 (because 12 more)
=22
Problem 7 is choice B, which is the entire number line shaded in but the value -4 has a hole at this location to mean "exclude this point from the solution set". So basically x can be any number but -4.
Problem 8 is choice C. You have a closed circle (or filled in hole) at -1.5 on the number line. Then you shade to the left of the closed circle to indicate the set of values that are smaller than this endpoint. So n can be -1.5 or it can be smaller than -1.5 (something like -2 or -3, etc).
Answer:
9% sales tax
Step-by-step explanation:
44.10/490 =
.09
.09 as a percentage is also 9%
Answer:
30
Step-by-step explanation:
