Dave is selling hand made masks for $8 per mask. He has already earned $120. Dave wants to make a total profit of more than $400. Write an inequality to represent this context. Explain each part of the inequality.

I dont no

Step-by-step explanation:

c.

step-by-step explanation:

she should of added 9^2 and 12^2. that is because it is a^2+b^2=c^2. c^2 is the hypotenuse and should always be bigger than the other two numbers. which is why she should of added 9 squared and 12 squared together instead of 15 squared.