How much more is -3-(-10) than -10-(-3)?
Which of the following is a solution to x2 + x =1
What is the greatest positive integer n such that 2n is a factor of 1210 ?
If 1y=32 then 1y+2=?
If n is an even integer which of the following must be an odd integer ?
If ax+xa=xb+bx then x=?