4)
1 mile equals approximately 1.6 kilometers. Approximately how many kilometers are in 4 miles?
A) 4 kilometers
B) 6 kilometers
C) 8 kilometers
D) 10 kilometers

C 7.4 usually rounds to 7 but thats not an option so we round up to a closer number, 8.

126.66 m²

step-by-step explanation:

the pertinent area formula is a = πr², where r is the radius.

here, a = π(6.35 m)² = 40.32π, or approximately 126.66 m²

the simplified form is

step-by-step explanation:

we want to simplify the expression,

let us change the middle bar to a normal division sign to obtain,

we multiply the first fraction by the reciprocal of the second fraction to obtain,

we factor to obtain,

we cancel the common factors to get,

we simplify to get,

the correct answer is b