Answer:
10n
Step-by-step explanation:
n represents number, its like using X, since we don't have the information on it, we replace it with a letter.
Answer:
R(x)= 22
Step-by-step explanation:
Answer: 230
Step-by-step explanation:
5x23=115
115x2=230
Answer:
battery costs: 0.39...............
Answer:
65.85
Step-by-step explanation:
44.75-22.8=21.95
21.95×3=65.85