19) 5c+c=-6+2
6c=-4
c=-4/6
c=-2/3
20) -20-8=-2e
-28=-2e
28/2=e
14=e
21)p-2w=2l
(p-2w)/2=l
Answer:
D. The sum is a rational expression.
Step-by-step explanation:
the given expression is a/b +c/d
so in the question it is given that b and d are non zero values
a/b is rational number and c/d is a rational number
so if both are rational number , so we know that the sum of rational number is also a rational number.
The right option is D. The sum is a rational expression
It cost 50 cent each first i subtracted 27 from 28.50 and it gave me 1.50 de i divided 1.50 by 3 and it gave 50 cent
Answer:
11 meters
Step-by-step explanation:
Use the formula:

V = 7599, h = 20, π = 3.14
Plugin the numbers and solve for r

A) 2 2/9
The answer would of course be positive because two negatives make a positive.
It would only be 6 4/9 if you added when here it states the obvious for you to subtract.
Hope this helped PLEASE MARK BRAINLIEST!!