The mass of a neutron is approximately 1.674927 × 10−27 kg. Recall that the mass of a proton is 1.672622 × 10−27 kg. Explain which is heavier.

At a book fair, joe bought 24 books at 3 for $5 and had $2 left. how much money did he have at first?

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.

Estimate the square root of 37 to the nearest tenth