In a two-digit number, the tens digit and the double that of the units. Reversing the figures of this
number and multiplying the number with the digits reversed
for 2, the result is a number that exceeds
12 the number you are looking for. What is the number?

I know the answer (84), but I need to say how I got it lol

will give brainliest​

Matt and brian were solving a system of equations. they both noticed that the two lines had the same slope. brian said that because each line in the system had the same slope, the two lines had to be parallel, which meant the solution to the system was "no solution" matt disagreed, and said they should also look at the y-intercepts before determining how many solutions there were. who is correct?

Tod does not have any cookies. david gives jeff 8 cookies. then he splits half of the cookies he has left with tod. david let’s c represent the number of cookies that he starts with. he finds the number of cookies that tod has is 1/2 the difference of c and 8. write an expression to represent the number of cookies that tod has.

Write an equation for the function that includes the points (2,100)and (3,100)