

as you already know, a direct proportional variation has a constant of variation "k", y = kx, which in this case that'd be the slope, namely 15.
Answer:
isosceles
x=14
Step-by-step explanation:
isosceles because of the two I symbols on the triangle
x+5=2x-9
5+9=2x-x
14=x
Answer:
w^64
Step-by-step explanation:
(w^8)^8
both of the powers will be multiplied; hence
w^8*8
w^64
Answer:
2nd one
Step-by-step explanation:
(x*x*x*x*x*x*x*x*x)
or x^9
Answer:
is 0.2222....
the ( .... ) that means so on