3 people are trading baseball cards Augustin has 1/4 as many cards as Mateo. Mateo has 1/2 as many cards as Amaro. Who has the most cards

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle

Simplify the algebraic expression 8y-2(y+4)

Acredit union pays 5% annual interest, compounded daily, on saving deposits. find the value after one year of $500 deposited in this account. a-$20.40 b-$25.64 c-$520.40 d-$525.64