. Twice a number decreased by eight. if the number N, the expression is

2n-8

Step-by-step explanation:

twice n is 2n. decreased by 8 is the -8

answer: #1 ads up by 8 and i don't know #2

“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.