Answer:
Step-by-step explanation:
First picture
I believe this one is C
Second picture
C and D are functions. The other two will not pass the vertical line test. They have the same x used.
Answer:
your answer is 12
I've answered it before and got it right
Answer:
AB= diameter
AC- radius
Step-by-step explanation:
thats all i know sorry
Answer:
sin a = -3/5
Step-by-step explanation:
sin^2(a)+cos^2(a)=1
sin^2(a)+ (4/5)^2 = 1
sin^2(a) = 1 - 16/25 = 9/25
sin a = 3/5 ( in Quadrant 1)
In quadrat IV the sine is negative
so sin a = -3/5