5-5r
-5 and 10 have like terms, so you can add them
they make positive 5
(-5r) is just -5r, and you can't add it to a number without a variable
so the answer is 5-5r
X^2 and 7.
14 does not go into 49 and y does not go into x
Answer:
Step-by-step explanation:
Use the Law of Sines here:
and cross multiply to get
8sinB = 3sin120 and solve for B:
and
sinB = .3247595264
Now hit the 2nd button and then sin to get
on your display. After that open parenthesis, enter that decimal and hit enter to get that angle B = 18.95 which you can round to howeve many places you need.