Answer:
b)
Step-by-step explanation:
4X1 + 3X2 less than or equal to 150
Answer:
it lies in Quadrant 1
Step-by-step explanation:
The points are positive so in the first one
Answer:
in the picture above
Step-by-step explanation:
I hope that it's a clear solution and explanation.
SinA=cos(90-A)
Notice here 52=90-38
so the answer is 0