Name the figure below in two different ways.
M
S
D
Symbol:
and

Simplify the expression 10/11(22z) + (a+5) -1

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?

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