what is the completing square

3.21963684

rounded to the nearest hundredth is n = 3.22

m∠a is 90°

m∠b is 40°

“a term can be a signed number, a variable, or a constant multiplied by a + sign or j sign. in , the terms are 5x , 3y and 8. when a term is made up of a constant multiplied by a variable or variables, that constant is called a coefficient.” i hope this you.