What expression is equivalent to 4.005-3.12? 4.005-(-3.12), or 4.005 +(-3.12), or -(4.005 + 3.12), or -(4.005 - 3.12)

Mustafa contributes 11% of his $67,200 annual salary to his 401k plan. what is his pretax income

Lydia collected two sets of data one set of data shows an outlier. which set has an outlier, and which number is the outlier?

In the geometric progression –3, 12, −48… what term is 3,072?