Answer:
I kind of need the models to help with this one
earnings = $7 per hour
He needs at least $230 . This means he needs an amount greater than or equals to $230.
let
t = hour many hours he works
Therefore,


He needs to work approximately 33 hours or more to get at least $230 for his sterio. This means t is greater than or equals to approximately 33.
The sum of the inside angles of a triangle, always sum up to 180 degrees. Using this information, we can create the following equation for this problem:

Adding up all terms with 'x' and adding the other together, we have the following equation:

Solving this last equation for 'x', we have the following:

Then, the final answer for the 'x' value is twelve!
D) 2.1+2x=7.5
All the sides added together will equal the perimeter
Answer:
100
Step-by-step explanation:
because... LOGIC