The time (t) it takes to clean an office building is directly related to the number of people (p) working. Which of the following equations can be used to find the constant of variation (k)? k/t= p
p/k= t
p/t = k
t/k= k

The time (t) it takes to clean an office building is directly related to the number of people (p) working.

t is proportional to p

answer: 2x + 2 − 2 = 10 − 2; subtraction property of equality

step-by-step explanation:

hope it you

step-by-step explanation:

sin(7pi/6 - pi/3)  

= sin(7pi/6 - 2pi/6)  

= sin(5pi/6)  

= sin(pi - pi/6)  

= sin(pi/6)  

= 1/2  

sin 7pi/6 - sin pi/3  

= sin (pi + pi/6) - sin pi/3  

= -sin pi/6 - sin pi/3  

= -1/2 - sqrt(3)/2  

= -(1+sqrt(3))2