Answer:

Step-by-step explanation:
Answer:
Irrational numbers can look like fractions: 

Irrational numbers have never ending decimals. Pi and e are also irrational numbers.
Answer:
49.33
Step-by-step explanation:
2 3/4a=19 1/4
÷2 3/4 ÷2 3/4
a=1/7
A = base side=3
b= base side=5
c = base side=3
h= height=7-4=3
l= lenght=6
w= width=5
h= height=4
V= 1/4h√(-a⁴+2(ab)²+2(ac)²-b⁴+2(bc)²-c⁴) + l w h
V=12.44+ 120=132.44 unit³