PLEASE HELP ON 9 DONT WASTE ANSWERS URGENT WILL MARK BRAINLIEST

A

Step-by-step explanation:

x - 4 = 6 or -6 when taken square root

So, x = 6 + 4 = 10 or -6 + 4 = -2

thank, 5 star, and brainliest if helpful!

Its A

Step-by-step explanation:

hiking down a winding trail.

step-by-step explanation:

answer:   28.56 feet (approx)

step-by-step explanation:

since, triangle abc has measure of angle c equal to 55 degrees, measure of angle abc equal to 90 degrees, and length of bc equal to 20 feet.

we have to find out the measurement of segment ab.

therefore, tan 55° =

but bc = 20 feet.

⇒ tan 55 ° =  

⇒ ab = 20 × tan 55 °

⇒ ab = 20 × 1.42814800674

⇒ ab = 28.5629601348   ≈ 28.56 feet