Answer:
<em>The value of b is</em><em> 8</em><em>.</em>
Step-by-step explanation:
The given function is,

The given data is,

i.e when the value of x is -2, then the value of the function is -14.
Putting all the values,




Therefore, the value of b is 8.
Answer:
250
Step-by-step explanation:
mp=sp+d%of mp
x = 200+20÷100×x
100x-20x = 20000
x= 250
4p+6=t
2(2p+3)=t
t/4 - 3/2=p
t is the total number of pens and pencils.
Answer:
150 minutes
Step-by-step explanation:
1 hours = 60 minutes
We need to use the conversion factor with minutes on top
2.5 hours * 60 minutes
-------------
1 hour
Canceling hours
2.5 *60 minutes
150 minutes