Answer:
???ummm no details
Step-by-step explanation:
Answer:
(2,1)
Step-by-step explanation:
X=2 and y=1
Q=(c+d)/2
Multiply both sides by 2 to get rid of the 2
2×q=(c+d)
Subtract c from both sides to get rid of the c
2×q-c=d
Flip the equation around
d=2×q-c
Answer:

Step-by-step explanation:

from quadratic formular:

general equation:

a is 5, b is 4 and c is 3:
substitute in formular:

but from complexes, <em>i</em><em>²</em><em> </em><em>=</em><em> </em><em>-</em><em>1</em>

Answer:
1. t<45° 2. d≥200
Step-by-step explanation:
t is less than 45°
it said no less than meaning you can spend 200 or more to get the discount so that means d≥200