6x + 3y = 12
2x-y+-8
Two bookstores are located at random points along a street that is ten kilometers long.
What is the probability that they are le...
2x^4-8x^2-24=0
8+4
1+1
$\sqrt{\Box}$
2x +5 =14 what is x?
draw the addition and multiplication table for the 1,3,5,7, in arithemetic modulo 9
(2+3i)(-1-4i)