Solve rx = 30 for x.

question 2 options:

x = 30/r

x = 30r

x = 30 - r

x = 30 + r

An equation where variables are used to represent known values—function notation true or false

Acollection of coins has value of 64 cents. there are two more nickels than dimes and three times as many pennies as dimes in this collection. how many of each kind of coin are in the collection?

Solve each quadratic equation by factoring and using the zero product property. [tex]x^2+6x+8=0[/tex]