Answer:
a) 10 combinations
b) (10p,1p), (10p,50p), (10p,2p), (10p,20p), (1p,50p), (1p,2p), (1p,20p), (50p,2p), (50p,20p), (2p,20p)
Step-by-step explanation:
9x+4
remove the parentheses
x= 1/2
31/7
The number 31/7 is irrational because it keeps going on and on, while 5/4 is only 1.25. Hope this helps!
2x3−34x2+131x+11
=(x−11)(2x2−12x−1)
(x−11)(2x2−12x−1)
