Is my answer i chose correct? i don't know how to determine if it doubled, tripled, or
between 1965 and 1967, us troop strength
a) more than doubled.
b) more than tripled.
c) more than quadrupled.

Does anyone know how to solve and graph this: 4 + | a + 2 | < 7the only part i don't get is the "4 +"

What is the surface area of the sphere?

Becca wants to mix fruit juice and soda to make a punch. she can buy fruit juice for $3 a gallon and soda for $4 a gallon. if she wants to make 28 gallons of punch at a cost of $3.25 a gallon, how many gallons of fruit juice and how many gallons of soda should she buy?