Answer:
82.25%
Step-by-step explanation:
95*0.2 + 80*0.2 + 75*0.45 + 90*0.15 = 82.25%
8
2^(0.5+3) = 2^3.5 = 8√2
-2, 2 and for the other 4,5
20
10- 10, <u>20</u>, 30, 40 ,50
4- 4, 8, 12, 16, <u>20</u>
B.x= -4 and E. x= 10 are the answers
