#1
Apply pythagorean theorem
So
Diagonal
- √L²+B²
- √12²+9²
- √144+81
- √225
- 15ft
#2
Again apply
- H²=P²+B²
- H²=3²+9²
- H²=9+81
- H²=90
- H=√90ft
- H=9.5ft
<span>1/2+(-2/3)
Multiply until both fractions have the same common denominator
3/6 - 4/6
Subtract the numerator but NOT the denominator
Final Answer: -1/6</span>
Answer:
2y-4x+6x
=2y+2x
Step-by-step explanation: