Write a variable expression for 9 more than a number s.
a 9 – s
b s + 9
c 9 ÷ s
d s + 10

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

Add the fractions and simplify 1/2+ 1/3

How do the number line graphs of the solutions sets of -23 > x and x-23 differ?