Answer:
The cost of an oil change for 1 truck was $42
Step-by-step explanation:
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
Step-by-step explanation:
x-2x-3=9
-x=9+3
-x=12
x=12/-1
x=-12
The period is 7 because period = 2pi/b for asin(b(x-h))+k, so period is 2pi/(2pi/7) = 7
Two right angles is 90+90=180°. the inside angles of a polygon always add up to 360°, so the other four angles add to 360°-180°=180°. 180/4 is 45. since all of the "x" angles are the same, x=45°
Answer:
x y
0 1
1 6
2 12
Step-by-step explanation: