Answer:
? = 1 (assuming right-angled triangle)
Step-by-step explanation:
This is an application of Pythagoras' Theorem, but rearranged:

is, of course, 10, so 10 - 9 = 1, and
.
Answer:
a!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!1
Step-by-step explanation:
Answer:
13
Step-by-step explanation:
|-20| = 20 (anything with | | is absolute value, which is always positive), |7| = 7, 20 - 7 = 13.
quick tip: when you see something like -|#|, that would be negative, but if you saw |-#|, it would be positive.
hope it helps lol
Answer:
12 hours
Step-by-step explanation:
50/100 x 24 = 12
$8.40 x 35 hours= $294
35/5 = 7 hours a day
10pm - 7pm = 3pm
He comes to work at 3pm