Nothing ;) Bc i don’t know hahahaha banana
A. square root property

it has one value with x which is x^2 and it cn be easily solved without having to factorise, quadratic formula cant be used as it need ax^2+bx+c=0 format
B. factorising

i just felt like this was easier to factorise than the other 2 options left
C. Completing the square

same reason personal preference
D- Quadratic

the 17 kinda threw me off and i didnt wanna get on factorising or doing completing the square so quadratic formal
Complementary angles are 90 degrees,so if the angle is 64 degrees more,you just only have to add 90+64=154.
The measure of the angle is 154 degrees
Hope i helped.
Remember:complimentary angles add up to 90 while supplementary angles add up to 180.
A will be 7 x 5
B will be 10x10
Compute the division left to right first, and then the addition/subtraction left to right!