Which value for the constant c makes z =-5/4 an extraneous solution in the following equation?

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'

Your company withheld $4,463 from your paycheck for taxes. you received a $713 tax refund. select the best answer round to the nearest 100 to estimate how much you paid in taxes.