Answer:
D. $15x+20<$110
Step-by-step explanation:
$15 times the number of days plus the service fee should be less than $110.
I just did the first one but I don't know is it correct
Answer:
7/24
Step-by-step explanation:
Hope this helps
Answer:
$78.65
Step-by-step explanation:
take 200-121.35=78.65
$78.65
Solution:
The three powers whose value is greater than 500 and less than 550 can be find by following procedure.
We will solve this problem by Hit and trial method by finding the squares, cubes, fourth power, Fifth Power,...etc. of different natural numbers.
23²= 529
8³ = 8 × 8 × 8 =512

The three powers are →→→Eighth power of 2, Square of 23, and Cube of 8.