Answer:
The father is 59
Step-by-step explanation:
lets say each of the kids are twelve
30*5=150-36=114=59+55
30*5+ 150 the age of everyone in the family added together
12*3= 36 the age of all the kids
150-36=114 the age of the adults added together
we know the mother is 4 years younger than the father so to state off you can take 114 and divide it by two to get what half of it is then take take numbers that are four apart to find the ages that add up to 114.
Answer:

Step-by-step explanation:
We know, that probability of an event E, is
.
Here, there are
days in a week.
So, total number of outcomes
.
And only one day, that is, Friday is selected.
So, number of favorable outcomes
.
Therefore, probability
.
Hence, the probability that a randomly selected day of the week will be a Friday
.
Answer:
9x+1
Step-by-step explanation:
Let's simplify step-by-step.
1+9x
Answer:
=9x+1
Answer:
2.00
Step-by-step explanation:
Answer:
6x-2
Step-by-step explanation:
-4x(1-3)-(2x+2)
= 4x+12x-2x-2
6x-2
(simplify)