Answer:

Step-by-step explanation:
Since 9 and c are multiplied together and the product is at most -28, the equation would have to be the one above.
I think the answer should be 24
Answer:
it should be 600
Step-by-step explanation:
40x3=120x5=600
I'm not 100% sure what you want me to do with this but i hope this helps:
x < -3
or if you want me to flip the sign then the solution becomes
x > -3
Answer:75
Step-by-step explanation:
90-15=75