Answer:
y = 8/5
Step-by-step explanation:
y /2 = 4/5
Multiply each side by 2
y/2 * 2 = 4/5 *2
x=5
9x^2 - 2x + 25 = 8x^2 + 8x
9x^2-8x^2-2x-8x+25=0
x^2-6x+25=0 factorize
(x-5)(x-5)=0
x-5=0 then x=5
a) 17, 29, 41, 53, 65....
b) 12n + 5
-5
-2+(-3)
-2-3