Drake was trying to write an equation to help him predict the cost of his monthly phone bill. He is charged $35 just for having a phone, and his only additional expense comes from the number of text that he sends,
He is charged $0.05 for each text. Name the function C(t), where C(t) is the cost of bill according to number of text.

What is the vertex form of f(x) = x2 + 6x + 3

For the following geometric sequence, find the recursive formula. {-80, 20, -5, } i need : ')

Uestion 1(multiple choice worth 5 points) (05.02)alex wants to paint one side of his skateboard ramp with glow-in-the-dark paint, but he needs to know how much area he is painting. calculate the area of the isosceles trapezoid. isosceles trapezoid with top base 12 feet, bottom base of 18 feet, and height of 6 feet. 72 ft2 84 ft2 90 ft2 108 ft2