Which of the following statements is true? Red blood cells transport carbon dioxide.
The heart is made of striated muscle.
The lungs remove carbon dioxide from the body.
The muscles in the stomach have light and dark bands.

If f(x)=x^3 and g(x)=2x+7 when g(x)=-5

International calls require the use of a country code. many country codes a 3-digit numbers. country codes do not begin with a 0 or 1. there are no restrictions on the second and third digits. how many different 3-digit country codes are possible?

Sasha drank 8 bottles of water everyday for a week. how many bottles of water did she drink in total?