So you make your equation 4x+20+40=180.
Add like terms and get 4x+60=180.
Subtract 60 from both sides, get 4x=120.
Divide boths sides by 4, get your answer of x=30.
Hope this helps
Answer: Option (C)
(C) The mean is the same as the median.
Step-by-step explanation:
Step-by-step explanation:
y=-1/2.x+2 =-2 then x=8
the area is S = 
S=121/4
Answer:
The last option, 1.2, cannot represent the probability of an event happening since it is more than 100% (120%). And event cannot have a higher probability of happening than "happening". A. 0.33 is a valid response, since it represents 33%.
Step-by-step explanation:
hope it's help you ;)
