Answer:
Step-by-step explanation:
the sum of 5x+20= 5(x+4)
and the opposite of 20 is negtive 20
Answer: 16.13
Step-by-step explanation: 40 divided by $2.48
6c^5+4c−301, assuming that you meant 6c^5
=> the greatest integer is 2
the smallest integer is -2
-3.5 or 3 1/2