Answer:
12-21+5=-4
Step-by-step explanation:
12-21=-9
-9+5=-4
Answer: 8.61
Step-by-step explanation: Since the third decimal (7) is greater than 5, the second decimal is rounded up. Therefore, 8.6078 rounded to two decimal places is 8.61.
Answer:
Rachel earns per hour is $ 13.64 .
Step-by-step explanation:
As given
Rachel earned $85.25 for working 
hours.
i.e
Rachel earned $85.25 for working 
hours.
Now calculate earning of Rachel for 1 hour .
Therefore Rachel earns per hour is $ 13.64 .
Answer:
True
Step-by-step explanation:
With questions like these, you can put any number in the option to make it correct. HOWEVER, in this question, the only correct answer would be 5.5.
Answer:
-3c < 15 -3 and a number c is less than 15
-3c/-3c < 15/-3c divide -3c on both sides
c > -5 c is greater than -5
