For his long distance phone service, Austin pays a $6 monthly fee plus 8 cents per minute. Last month, Austin's long distance bill was $13.28. For how many
minutes was Austin billed?

What does x = in this equation x+3+2x=x+5

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?

Prove the following(cot0+cosec0)[tex](cot0 + cosec0) { }^{2} = \frac{1 + cos0}{1 - cos0} [/tex]