A sheet of plywood measuring 4 feet by 8 feet has a strip of uniform width cut off both sides and both ends. If the resulting rectangular piece has an area
three quarters the area of the original sheet of plywood, what was the width of
the strip cut off?
f1

Which measure is equivalent to 110 ml? 0.0110 l 0.110 l 1.10 l 11,000 l

What is the period of the sinusoidal function ?

Mrs. julien’s and mrs. castillejo’s classes are selling cookie dough for a school fundraiser. customers can buy packages of macadamia nut chip cookie dough and packages of triple chocolate cookie dough. mrs. julien’s class sold 25 packages of macadamia nut chip cookie dough and 30 packages of triple chocolate cookie dough for a total of $221.25. mrs. castillejo’s class sold 5 packages of macadamia nut chip cookie dough and 45 packages of triple chocolate cookie dough for a total of $191.25. (a) write the system of equations that model the problem. be sure to explain which equation represents which situation. (b) find the cost of each type of cookie. show your work. (c) explain which method you used to solve the system and why you chose that method.