Answer:
#3 - y=4
#4 - x=-1
Step-by-step explanation:
With #3 you are only puting the y-value.
With #4 you are only putting the x-value.
We have the equation:

so:

and:

This equation has one solution.
Answer: A
Step-by-step explanation: A reference angle is smallest possible angles that terminal side makes with the x- axis. Since 190 degrees is located i the 3rd quadrant we use the formula 190-180 to find the possible answer and in this case it is A, 10.
Answer:
98
Step-by-step explanation:
10-3=7
7x7=49
49 x2 = 98
Have a good day! uwu