Answer:
can you please tell me what grade you're in like
what is
Answer:
r = -31
Step-by-step explanation:
The picture is how I solved it.
First of all, we know that a line is 180°. This means if we add the angles of 61°, 57°, and angle y, we should get 180<span>°.

Simplify:

Subtract 118° to both sides:

We also know that all three angles of a triangle add up to 180<span>°. So we have:

Simplify:

Subtract 129° to both sides:

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Find the mean, median, mode, and range of the data 10, 13, 7, 6, 9, 4, 6, 3, 5
elena-s [515]
Median is 6 range is 9 mode is 6 and mean is 7