Answer:
9/49
Step-by-step explanation:
4 purple beads and 3 green beads= 7 beads
P( green) = green = total = 3/7
Replace the bead
4 purple beads and 3 green beads= 7 beads
P( green) = green = total = 3/7
P( green , replace, green) = 3/7 * 3/7 = 9/49
1, -1 !!! i hope this helps (also download mathpapa :D )
A)-28
B)-48
C)45
Hope this helps :)
32+n=105
32-32+n=105-32
n=73