1/2b - 16= -4 A constants: 16 and -4 Coefficient 1/2 B Constants: 1/2 Coefficients: -16 and -4 C constants 16 and 4 Coefficients: 1/2 D Constants 1/2 Coefficients: 16 and -4

answer:  

step-by-step explanation:

odd numbers are only divisible by 1 and itself.

even numbers are divisible by more than 1 and itself.

for example 6 is even because it is divisible by more than 1 and its self. 1 x 6= 6 ; 2 x 3= 6

and 7 is odd because only 7 x 1 equals seveb

wait this depends wether emily and zach how they are thinking.

yes they are the same.

there is only one way to arrange all the eight relative to each other because they are not distinct. we have

now there are nine places to place an (and not more than one in one place).   because we have four symbols, we need to choose four of these nine places to insert an . order does not matter because the are not distinct.

thus there are 1 · c(9,4) ways, or, if we calculate it,

thus there are 126 ways to form such "words."