Answer:
The last one is the answer CD=CB
Answer: flip the 5 and the y so you get 6x-5=y then plug in whatever number you need into x so its 6 times whatever number minus 5 then whatever number you plug in is your x and the solution is the y
Step-by-step explanation:
im doin the same thing
Perimeter of a rectangle = 2(l+w)
Length = 4-7(3x+4y)
=4-21x-28y
Width = 3x(-2y)
=-6xy
Perimeter
=2(4-21x-28y-6xy)
Answer = 8-42x-56y-12xy
The first answer is exponent
And the second answer is base