Answer:
All real numbers.
Step-by-step explanation:
25-4x=15-3x+10-x
25-4x-(-3x)-(-x)=15+10
25-4x+3x+x=25
25-x+x=25
25=25
Answer:
3/8
Step-by-step explanation:
1/4= 2/8
5/8-2/8=3/8
Answer:
a. $500
b. $250
Step-by-step explanation:
a. For zero items produced, cost will be-

b. For zero items produced, cost will be-

c. If 

∴ domain for cost function will be
and range will be 100
878/3 is 28 with a remainder of 10! The error is when they subtracted 258-248 wrong