Hello,
Q and R are independent if p(Q and R)=p(Q)*p(R)
Here p(Q and R)=0.63-0.48=0.3024
ANSWER B
You divide 2930 by 34 to get about 86.1765
(I think)
In all of these cases, y=x+2.
7.91 feet tall.
4.52 x 0.75= 3.39
3.39 + 4.52 = 7.91
4^2 = 16
16 x 2 = 32
32, Hope this helps!