Answer:
60 degree
Step-by-step explanation:
They are complementary angles which means they must add up to 90.
As WOX is 30 degree then
90-30=60.
yoz would also be 60 degrees because wov and yoz are equal
Number 13 is 40 in
number 14 is 2.5
Answer:
Step-by-step explanation:
Amplitude is twice the coefficent of the sine function. In this case, 
Period is
divided by the coefficent of x, in this case, 
Phase shift, is how much you sum or subctract from x inside the sine, in this case
.
Midline you get by hiding the sine and reading what's left, in this case, -4.
5k-4k=-1+-1
k=-2, its all aboit rearranging the order of numders based on there like terms. If you need any more help ask.