Answer:
10x+3.50=
Step-by-step explanation:Hope this is correct
To find square numbers, you multiply the number by itself.
For example:
5 x 5 = 25
10 x 10 = 100
The question is "What's Stella's opportunity cost of working on her serve for an hour?" The rest of the info looks like it's meant to confuse you. They charge $10 an hour. She values an hour of her time at $20. I believe that means she would pay $20. Hope this helps!
Answer:
960
Step-by-step explanation:
Multiply 8x12x10 and you get 960
