Sadie has $1 worth of nickels and dimes. She has twice as many nickels as dimes. Write a system of equations that could be used to determine the number of nickels
and the number of dimes that Sadie has. Define the variables that you use to write the
system

for any of you who need the translation here it is

step-by-step explanation:

find the angular size of the equatorial radius of the earth, if the horizontal parallax of the sun

based on context clues you gave i'm assuming the answer would be c.

the amount you'd have after the work is $1.55

step-by-step explanation:

you subtract 95% from $31.

the answer is 489

step-by-step explanation: