Since it is a 45-45-90 right triangle, the formula is:
Hypotenuse= sqrt2 * leg
Since you know hypotenuse = 9sqrt2 the leg has to be 9
When billy turns 18 he will have $3,099.6 in his account because .021 percent x $8,200= $172.20 per year x 18 years = $3,099.60

Step-by-step explanation:
Given:



Now by Pythagoras theorem,

Substituting values,


Hence, value of x is 
Answer: FALSE
Step-by-step explanation:
Answer:
y=(x^2 -1)(x^2 +1)(x^2 -4)(x^2 -5)(x +5)(x -4)
sry, but i didn't want to multiply it out. T-T