Answer:
15 +(1/2)X z²
this is your expression plz brainlist me and follow me
Answer:
x = π(n -
)
Step-by-step explanation:
Find attached Solution
Answer:

Step-by-step explanation:
<u>Step 1: Set the second equation into the first
</u>




<u>Step 2: Solve the second equation
</u>


Answer: 
Answer:
the answer is actually $389.71
Step-by-step explanation:
Answer: 6.25 is her profit
Step-by-step explanation: cost-price= protect
2.25 - 8.50=6.25