Answer:
value of z is39°.
Step-by-step explanation:
64+68+z+9=180°(sum of triangle)
141+z=180
z=180-141
z=39°
Answer:

Step-by-step explanation:
Multiply those together and combine like terms. Then make sure you order the terms in descending powers.
Answer:
M=1/6
Step-by-step explanation:
Answer:

Step-by-step explanation:


We'll substitute y into the equation:

Switch sides:

Add 2 to both sides


Divide both sides by -3:


Therefore, the value of x/solution is -3
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