Answer:
B
Step-by-step explanation:
Expressing the ratios as fractions, that is
=
( cross- multiply )
a = 3b
=
( cross- multiply )
c = 5b
------------------------------------------
Given
, substitute values from above for a and c
= 
= 
=
← cancel b on numerator/ denominator
=
→ B
Answer:
Step-by-step explanation:
x=3
No they are not
scientific notation requires writing the ' × 10^9' part as a 10 with an exponent
A reasonable estimate would be an estimate of 2.5 feet.