Answer:
1.25
Step-by-step explanation:
6.5 divided by 5
If this is right can I have brainliest please :)
9n+3=7n+19, 9n-7n=19-3, 2n=16, n=8.
check it
72+3=75chairs
56+19=75chairs
Given the equation :

Let: y = sin x
So,

the given equation will be:

Solve for y, take 3y as a common:

so,

Note: the range of sine function is [ -1, 1]
So, sin x = 2 ( is rejected)
So, the answer will be: x ={ 0 , pi }
C if im right because 40 - 190 is 150 and she worked 3 hours 50 50 50 = 150