Answer:
9.55
Step-by-step explanation:
9514 1404 393
D. 210
If b is the number of boys in the choir, the ratio of boys to girls is ...
b/150 = 7/5
b = 150(7/5) = 30(7) = 210
There are 210 boys in the choir.
x = 5 ( 2- y ) / 2 that's the answer
option a
√16= 4 and 4 is a real as well as a rational number as well as integer amd whole numbers!
Hope it helps you....
A×B={(a , x) ,( a , y), (a , z), (b ,x) ,(b ,y) ,(b ,z)}
B × B= {(x , x), (x ,y ), (x, z),(y ,x ),(y, y), (y, z),( z ,x ),( z, y),( z ,z)}
A×A={ (a, a), (a, b),( b, a) ,(b ,b )}
B×A= { (x ,a) ,(x, b),( y , a) ,(y , b) ,(z ,a), (z ,b ) }