Answer:
B
Step-by-step explanation:
Every number has its purpose in this case you start at -3 then the negative sign tells you which way you are going but since we have another negative sign in between the number we go to the right instead of left with that said you put the point in number 4
Step-by-step explanation:

here ( + ) × ( - ) = ( - )




Answer:
1/3
Step-by-step explanation:
the formula of common ratio is given as

a1= 27 ,a2=9
r= 9/27
r= 1/3
Answer:
50 dgrees
Step-by-step explanation:
staruight line is 180 so 180 minus 130 is 50