18 = 4 × 4 + 4 −√4 = (44 ÷ √4) − 4
Answer:
none!
Step-by-step explanation:
in 136 miles=7 gallons
?=42 gallon
= 136=7
?=42
cross multiply
136×42=5,712
=5,712÷7=816
Rational number, because the Square root of 400 is 20, since 20 x itself is 400. Hope this helps!