Which function represents this sequence? 6, 18, 54, 162, 486,
A - f(x)=6•3^(n-1)
C- f(x) =6^(n-1)
B- f(x) = 3•6^(n-1)
D- f(x) 3^(n-1)

Pyotr tchaikovsky sporting goods operates on a 45% overhead based on the selling price, which results in an overhead of $65.34 on the newest version of an air hockey game set. if the air hockey game set costs pyotr tchaikovsky sports $49.32, find the selling price, the markup, and the net profit.

What is the area of a triangle with a base of 7x and height of 8x expressed as a monomial? question 5 options: 1x 15x2 28x2 56x2

20 ! brainliest ! add and simplify your answer.