Answer:
d
Step-by-step explanation:
Answer:
B. substitute for X in first equation
Answer:
Can't see the attached image
Step-by-step explanation:
Post another question and make sure it has the image on it :)
She could try to reduce variable costs
Answer:
is 
Step-by-step explanation:
var x = +3 (one side of right angled triangle)
var y = +1 (the other side of the right angled triangle)
Use the Pythagoras' Theorem.
3² + 1² = 10