Answer: The yellow boxes in order are 64, -40, 24
Step-by-step explanation:
(-8)^2 = 64
5*-8 = -40
y = 1*64 + (-40)
y = 64 - 40
y = 24
Answer:
a=6,-10
Step-by-step explanation:

See attached picture for steps and answer:
Answer:
39°
sum of triangle's interior angles: 180°
180°-90°-51°=39°