Answer:
Angle a is 42 degrees and Angle b is 138 degrees
Step-by-step explanation:
I show my working in the pic above
The only thing that is weird is that 42 degrees is not an option in in your answers but im certain that angle A is 42 degrees
33.8 + 128 = 161.8
Here,
f(x) = 7
x = ?
Now,
f(x) = x^2 - 2
or, 7 = x^2 - 2
or, 7 + 2 = x^2
or, x^2 = 9
◆ x = 3
a) 3
I hope it's help you...
Thanks♥♥
hello :
p²+30p = p(p+30)
I believe the answer to this question is: 1 x 10^21 equal to 1000000000000000000000.