Step-by-step explanation:
Recall the identity

We can see that

Answer:
B: quadrant 3
D: 5sqrt2
Step-by-step explanation:
Y = -(1/2)x + 4
y + (1/2)x =4
(1/2)x + y = 4
Multiply both sides by 2
2*(1/2)x + 2*y = 2*4
x + 2y = 8
Option B.
Answer:
74
Step-by-step explanation:
because on ed i took the quiz and got a 70 but on question one i had this and it said i was correct 74 is the right answer hope this helps