Aten-inch candle is being burned at both ends. one end burns at the rate of one inch per hour; the other end, one-and-a-half inches per hour. how far from the center of the candle will the burning ends meet?

Determine domain and range, largest open interval, and intervals which function is continuous.

What is the simplified form of square root of 400 to the 100th power ?

(50 ) 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.