Hello!
To find the cost of 12 oz:
first oz = $0.37
Every oz after = $0.23
12 - 1 = 11
First oz = $0.37
11 × .23 = 2.53
2.53 + 0.37 = 2.9
A 12 oz package in first class would cost $2.90.
Hope I helped you! :)
PS. Next time please add the answer choices! :)
Answer:
It should be 6 square root of 5 or about 13.4 (decimal form)
Arc length<span> = r</span>θ [r = radius of the circle, <span>θ = </span>central angle<span> in </span>radians] ⇒
r = arc length/θ = 60/5 = 12 cm
The answer is 6.
EXPLANATION
All you have to do is to distribute the exponent outside of the parentheses to the constant inside.
That is,