Is 3:5 and 1:3 equivalent ?

What is the value of the expression 9+n/3-6 when n = 12? 1. 5. 7. 12.

Rectangle leg this 11feet and perimeter of 38feet what is the width of the rectangle in feet

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.