Answer: 72%
Step-by-step explanation:
Set Jamal's original ring price = x

Jamal's original ring price = $3300
Set Naomi's discount = y

Naomi's discount is 0.72 = 72%
Answer:
y=x-4
Step-by-step explanation:
y=mx+b
m : slope : 1
b : y-int : -4
Answer:
No solution.
Explanation:
The roots (zeros) are the x values where the graph intersects the x-axis. To find the roots (zeros), replace f(x) with 0 and solve for x.
Let

be the identity matrix. Then pick whatever matrix you like for

.