Answer:
h = 60 ; x = 25
Step-by-step explanation:
You are going to want to use Pythagorean Theorem to solve these.
Pythagorean Theorem: a² + b² = c²
h² + 144² = 156²
h² + 20736 = 24336
h² = 3600
h = 60
x² + 60² = 65²
x² + 3600 = 4225
x² = 625
x = 25
 
        
             
        
        
        
Answer:
1. -16-(-11)=5
2.48 divided by -8 is 12
3.13/5=2
4.81-11=7
5.3*2=35
6 35*2=5
Step-by-step explanation:
 
        
             
        
        
        
Answer: the amount of dimes is $1.15 this is also equivalent to 11 dimes and an extra nickel. 
Explanation: 
80 nickels =$4.00 
$5.15-$4.00= $1.15
11 dimes= $1.10 
1 nickel= $0.05
$1.10+$0.05= $1.15
hope this helps! :)