What is the measure of ∠X? Round your final answer to the nearest tenth, if necessary.

12.6º
21.8º
62.8º
82.2°

The figure shows acute triangle X Y Z. The measure of angle Z is 35 degrees. The length of side X Y is 22 centimeters. The length of side Y Z is 38 centimeters.

where are the options?

step-by-step explanation:

umumumumum

im not sure

a is the right answer

hello from mrbilldoesmath!

answer:

25x^2 + 90x + 84

discussion:

mn(x) = m(n(x)) = m( 5x + 9) =

(5x + 9)^2 + 3 =>

25x^2 + 90x + 9^2 + 3 =

25x^2 + 90x + 84                 (as 9^2 = 9*9 = 81)

which is the second choice

regards,  

mrb

p.s.   i'll be on vacation from friday, dec 22 to jan 2, 2019. have a great new year!