number 3 is not congruent but number 4 is because #4 is basically the same thing but you cant really multiply something to question #3 to get those answers.
Answer:
x = 1 ⇔ y = -2.4
x = 2 ⇔ y = -1.8
x = 3 ⇔ y = -1.2
x = 4 ⇔ y = -0.6
Step-by-step explanation:

→ Rearrange to make y the subject

→ Multiply everything by -1

→ Divide everything by 5

⇒ Substitute x = 1, 2, 3 and 4



Answer:
3 shirts
Step-by-step explanation:
production cost: c = 28 + 3s
c=cost
3s= 3 shirts
28= dollars she has to add of her own money to be even with the amount she lost making the shirts
money earned= m = 10s
m=money earned from sales
10s= 10 shirts
Well, each centimeter is 10 millimeters. 25cm=250mm
Move decimal placei n divisor and dividend