Answer:

Step-by-step explanation:
Remember that the range is the set of all y-values. Thus, since the minimum of the function is y=-1, then our range is
. In interval notation, we use brackets to show what's included and parentheses to show what's not included.
Answer:
5.4
Step-by-step explanation:
To find the distance between two points,
and
, plug them into the following equation:

Two negatives make a positive

Therefore, the distance between the two points rounded to the nearest tenth is 5.4.
I hope this helps!
Answer:
Beth can make 9 2 1/3 foot steps
Step-by-step explanation:
21/2.3=9.1
round to 9
Answer:
yes
Step-by-step explanation:
If lines a and b are parallel, the two angles given would be the same.
2x - 5 = x + 20
x = 25