The square of a certain negative number is equal to five more than one-half of that number. what is the number?

-1/2
-5/2
-2

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

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.

Standard deviation of 19,29,21,22,23