6) An auditorium has 54 seats in the first row, 58 seats in the second row, 62 seats in the third row, and so on. Find the explicit formula of this arithmetic sequence and the number of seats in the
twentieth row

Atriangular bandana has an area of 46 square inches. the height of the triangle is 5 3 4 inches. enter and solve an equation to find the length of the base of the triangle. use b to represent the length of the base.

If 20% of a number is 35, what is 50% of that number?

Given that abcd is a rhombus, what is the value of x?