A total of 84 quarters are lined up side by side on a table. You replace every second quarter with a dime .after you have completed this task, you replace every third coin with a nickel once this is completed you replace every fourth coin with a Penney what is the total value of the final 84 coins on the table

do you mean add both of the equations together

because if you do the answer is 10x-5

step-by-step explanation:

x= -3 and

step-by-step explanation:

to find the roots of a cubic, use division or factoring to find the factors then set equal to 0. as this is a difference of cubes, it factors into

where a is the cube root of .

here   this is 27 and the cube root of 27 is 3. so we write using the form:

.

set each factor to 0 and solve for x.

x-3=0

x=3

the quadratic expression does not factor and must be solved using the quadratic formula.

where a = 1, b=3, and c=9

this cubic has two complex roots.

sorry i just need to anwers this to get points

step-by-step explanation:

i believe it is b and c. (side note, i got the same computer from k-12 lol i’m in 8th grade and this is my first year, will it get

step-by-step explanation: