Answer:
a = 33 degrees
Step-by-step explanation:
Note that 57 degrees and Angle a are complementary: they add up to 90 degrees.
Thus, a = 90 degrees less 57 degrees = 33 degrees
0.8888888 = 8/9
2.8888888 = 26/9
-2.888888 = -26/9
Answer=
y=-3+3
y=0
the sum of -3+3 is zero.
1/2(2x+6)
Substitute the one half to both of the numbers inside the parentheses.
1/2*2 is one which would just be x
1/2*6 is three
X+3