Which quadrilateral(s) have the same attributes of a rhombus?

For f(x)=2x+1 and g(x)= x^2 -7, find (f•g)(x)

Alicia puts $400 in a bank account. each year the account earns 5% simple interest. how much money will be in her bank account in six months?

Macy spent $36 on jeans. this was $12 less than twice what she spent on a shirt. which equation to solve this, 12x=36 2x=36-12 2x-12=36 12-2x=36