A company produces two different car alarm systems basic and advanced. if b represents the number of basic alarm and a represents the number of advanced alarms, the 225b+345a+200 describes the revenue from the sales of the two types of alarms systems. The polynomial 112b+ 187a+545 describes the cost of producing the two alarms systems. Question 1: Write an expression in simplest form for the net Question 2: In one month, the company sells 88 basic and 64 advanced alarm systems. Find the net profit or loss.

Acontractor needs 54 square feet of brick to construct a rectangular walkway. the length of the walkway is 15 feet more than the width. write an equation that could be used to determine the dimensions of the walkway. solve this equation to find the length and width, in feet, of the walkway.

Michelle and julie work at a catering company. they need to bake 264 cookies for a birthday party that starts in a little over an hour and a half. each tube of cookie dough claims to make 36 cookies, but michelle eats about 1/5 of every tube and julie makes cookies that are 1.5 times as large as the recommended cookie size.it takes about 8 minutes to bake a container of cookies, but since julie's cookies are larger, they take 12 minutes to bake. a. how many tubes should each girl plan to bake? how long does each girl use the oven? b. explain your solution process what did you make? c. what assumptions did you make?

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 4x^2 - 19x- 5