Answer:

The number is 8 because 
And if you add 4, you get 20
Hence, the number is 8
Answer:
25
Step-by-step explanation:
7 * 7 = 49
24 * 24 = 576
576 + 49 = 625

Please mark as brainliest
Answer:
18 hours
Step-by-step explanation:
9.99+x1.5=36.99
x=18
18*1.5=27
9.99+27=36.99
I don't understand your question, what exactly am I calculating here if there are no digits? Please elaborate. Thank you
Answer:
i think it is a but there are algebra caculators online
Step-by-step explanation: