A floor mat for gymnastics is a square with a side length of 14m. What is the area of the floor mat in square metres?

Estimate the square root of 72 to one decimal place.

Estimate the square root of 13 to one decimal place.

answer for 20 points
What is an example of a whole number that has a square root between 9 and 10?

Kai uses an entire can of paint on a square backdrop for the school play. The label on the can states that one can covers 27 m2of wall surface. Estimate the backdrop’s side length, to one decimal place.

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.