Answer:
50 + 200h
Step-by-step explanation:
3.3939
rounded off = 3
33 goes in 112 3 times
(x+1)^2-x^2=23
x^2+2x+1-x^2=23
2x+1=23
2x=22
x=11
11^2 = 121
x+1 =12
12^2=144
144-121 = 23
f=5/4
f=1/2+3/4
f=(1/2)×2+3/4
f=2/4+3/4
