Answer:
11 hours babysitting
7 hours music lesson
Step-by-step explanation:
(11*5) + (7*12) = 139
Answer:
98 degrees
Step-by-step explanation:
m<H = 45, m<F = 53
180 = 45 + 53 + (180-x)
82 = 180-x
x+82 = 180
x = 98
Answer:bottom line: 13 line on right: 6 1/2 Diagonal line: 13
![\dfrac{12^3}{12^7}=\dfrac{12^3}{12^3\cdot 12^4}=\dfrac{12^3}{12^3}\cdot \dfrac{1}{12^4}\\\\=\dfrac{1}{12^4}](https://tex.z-dn.net/?f=%5Cdfrac%7B12%5E3%7D%7B12%5E7%7D%3D%5Cdfrac%7B12%5E3%7D%7B12%5E3%5Ccdot%2012%5E4%7D%3D%5Cdfrac%7B12%5E3%7D%7B12%5E3%7D%5Ccdot%20%5Cdfrac%7B1%7D%7B12%5E4%7D%5C%5C%5C%5C%3D%5Cdfrac%7B1%7D%7B12%5E4%7D)
The 2nd choice is appropriate.