The recursive formula a2=18.5, an-1+1.5 models the number of people, in millions, that own a smartphone in the US, n years after 2014. Write an equivalent explicit formula for the situation.

Matt paid 55$ at a restaurant. the amount included a 10% tip. What was the check amount before the tip?

Factor 225x2 - 1. A) (15x + 1) (15x + 1) B) (15x - 1) (15x + 1) C) (15x - 1) (15x - 1) D) (125x - 1) (125x + 1)

A circle has a diameter of 12 units, and its center lies on the x-axis. What could be the equation of the circle? Check all that apply. (x - 12) 2 + y2 = 12 (x - 6) ² + y² = 36 x² + y² = 12 x² + y² = 144 (x + 6) ² + y² = 36 (x + 12) ² + y² = 144

Lucy shaded 10 of the 16 squares as shown below. What percent of the squares did she shade

Slope is 0, and (1,2) is on the line

Is it true that a plane consists of an infinite set of lines?

Sebastian and teshawn go to the movies. the tickets cost $16 in total. the boys share the cost equally. how much does tedrawn pay?

It takes 3 buckets of water to fill one third of a fish tank how many buckets are needed to fill whole tank

Which is the same function as - 2x - 3 = y? A) f (x) = - 2x-3 B) f (-2x) = - 3 C) f (-3) = - 2x D) f (x) = - 2-3

The surface area of the square pyramid is 16 square inches. Find the value of x. With a base of 2 inches.