Answer:
oa
Step-by-step explanation:
1m is equal to 100cm, so the scale reduces the size of the actual object
Answer:
80 answer is 80
Step-by-step explanation:
50+30 = 80 answer
You can use elimination
7x - 3y = 4
-10x + 3y = 2
Add both equations
-3x = 6, x = -2
Plug in -2 for x in one equation
7(-2) - 3y = 4
-14 - 3y = 4
-3y = 18, y = -6
Solution: x = -2, y = -6
The second one is the answer: f(4) = 22
