Answer:50square feet
Step-by-step explanation:
Answer:
The cost of an oil change for 1 truck was $42
Let
x -----> the cost of an oil change for 1 truck
y -----> the cost of gas for 1 truck
z ----> the total bill
we know that
we have
substitute and solve for x
y = 4x + 10
Explanation:
-3+4i
let magnitude be |z|
|z|=
|z|=5 unit