Answer:
9:59
Step-by-step explanation:
Answer:
5. 9 8. 
Step-by-step explanation:
a²+b²=c²
so for #5 12²+b²=15²
144+b²=225 (subtract 144 from both sides)
b²=81
b=9
For #8
9²+b²=11²
81+b²=121 (subtract 81 from both sides)
b²=40
b=
=

Answer:
m=15
Step-by-step explanation:
10.23 feet is the answer because when you line up the decimals and add, its 10.23