Answer:
-5/3
Step-by-step explanation:
y2 - y1 / x2 - x1
-4 - 1 / 1 - (-2)
-5 / 3
-5/3
3: 1/3 is the ratio if you simplify the numbers.
Answer:
x=2.5, y=-5. (2.5, -5).
Step-by-step explanation:
5y+2(2.5)=-10
5y+5=-10
5y=-10-5
5y=-15
y=-15/5
y=-5
Answer:
Step-by-step explanation:
New price = (1 + 5%) x old price
New price = 1.05 x old price
old price = 2.3 / 1.05
Old price = £2.19