Answer:
Correct option is
B
1.x+0.y=7
x=7 can be written as, 1.x+0.y=7 as the coefficient of x is 1 and that of y is 0. Step-by-step explanation:
Answer:
x=-5
Step-by-step explanation:
Answer:
1/2
Step-by-step explanation:
See the steps below:)
Answer:

Step-by-step explanation:
Notice that
.
The diagram already marks
, so we just need to find
.
and
are vertical angles, which means they are equal in measure.
Therefore,

Since there are
on each side of a line, we have the following equation:
.
Plugging in
, we have:
.
Therefore,
.