Step-by-step explanation:
Let the son's age be x and man be y
y=26+x
y=8+3x
x=9
Son's age is 9
Answer:
3/7
Step-by-step explanation:
total cards 3+4 = 7
Not green = 7-4 = 3 cards
P ( not green )= not green cards / total = 3/7
When x=1 and -2 so it is C
i)
Pythagorean's theorem: √50
j)
Pythagorean's theorem: √1/2
Answer:
Exact form: -√19
Decimal form: −4.35889894...