If a laptop originally costs $800, the balance due after the 10% discount and $150 gift card is applied is

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

Which values of p and q result in an equation with exactly one solution? px-43=-42x+q choose all answers that apply: a) p=-43 and q=-43 b) p=42 and q=43 c) p=43 and q=−42 d) p=42 and q=42

Which set of side lengths form a right side? a) 3ft,6ft,5ft b)50 in,48in,14in c)53m,48m,24m d)8cm,17cm,14cm