PLS HELP

If a (A) a/b (B) b/a (C) a/c (D) c/a (E) b/c

Find dy/dx using implicit differentiation ln(20+e^xy)=y

25 ! the line of best fit is h = 5a + 86. predict the height at age 16. show your work.

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.