Answer:
hmmm i think its a
Step-by-step explanation:
Answer:

Explanation:
[ Step One ] Group Like Terms

[ Step Two ] Combine Similar Elements: 

[ Step Three ] Expand 

[ Step Four ] Add 15 To Both Sides

[ Step Five ] Simplify

[ Step Six ] Subtract 10x From Both Sides

[ Step Seven ] Simplify

[
]
➤ 

Answer:
43.0°
Step-by-step explanation:
cos∅=adj/hyp
cos∅=60/82
∅=cos-1 60/82
∅=cos-1 0.731707317073
∅=42.97028393174°
Round: 43.0°
Answer:
(A) 1
(B) -2
(C) 3.5
(D) -0.5
Step-by-step explanation:
We can treat each thermometer like a vertical number line and read the values on each.
A is right on 1.
B is right on -2.
C is in the middle of 3 and 4, so 3.5
D is in the middle of 0 and -1, so -0.5
Hope this helped!