Answer:
the ones are options 2 and 3
Hi!
<u>Given these two equations:</u>


We want to solve using the substitution method. Knowing that x is equal to y + 8, we can simply plug in 'y + 8' in for x in the second equation, like so:

Combine like terms on both sides:

Subtract y from both sides:

Subtract 8 from both sides:

Now, we can simply plug the y value in to the first equation, and solve for x:

Simplify:

<h3>
Therefore, x is equal to 12 and y is equal to 4.</h3>
<u>Learn more about the substitution (and also elimination!) method here:</u>
brainly.com/question/14619835
If you were to draw the cosx and sinx graph there will be infinite solutions at their interceptions which are the multiple of pi/4
Answer:
if it's 2/3r^4 heres the answer
Step-by-step explanation:
1.) 2/3 times r raised to the 4th power
2.) the product of 2/3 and r raised to the 4th power
3.) 2/3 multiplied by r raised to the 4th power
4.) 2/3 of r raised to the 4th power
you can pick one of the many choices I've listed!! youre welcome :)