On Part A you have to subtract $2.39-$1.99. Then in Part B you have to multiply $4.50 by 2. And then I think you have to add $3.79 when u are done multiplying.
Answer:
Y=-3x-3
Step-by-step explanation:
Answer:
±5
Step-by-step explanation:
4x²-100=0
4x²=100
x²=100/4
x²=25
x=√25
x=±5
