Answer:
(-1, 2 )
Step-by-step explanation:
Answer:
3a+5
Step-by-step explanation:
add-4a and 7a
3a+14-9
subtract 9 from 14
3a+5
The answer is 20 because you plug in x=2 into f(x)
Answer:
x = 145°
Step-by-step explanation:
We know that y = 98°, so we can find ∠DBC:
180°-y = ∠DBC
180°-98° = 82°
We also know that z = 63°, therefore we can apply <u>exterior angle of triangles</u> to find x.
∠DBC + z = x
82°+63° = x
x = 145°
