Answer:
The age of mother is:
40 years
Step-by-step explanation:
2a = 5b
b = 16
a = age of a mother
b = age of her son
2a = 5*16
2a = 80
a = 80/2
a = 40
probe:
2*40 = 5*16 = 80
Answer:
k
Step-by-step explanation
k can be 11. If u plug 11: 3-21-12 is bigger than 9
It means that you can pay your utility bill for example using internet banking.
Step-by-step explanation:
Regression Equation has the firm of,
Y = aX + b
please refer to my attachment for a and b.
So prepare table with columns of Y, X sq(x),......
then work out a and b according.
Finally sub a and b into the equation Y = aX + b
40/8=5
$5= 1gal.
5x10=50
So 10 gallons of gas costs $50