Since they are starting with 270, the y intercept is going to be 270, now since they are losing 15 food everyday, the slope is going to be -15 so the final equation is y=-15x+270
The answer is 6 as unit digit of number is 4 when you square you will get the unit digit 6
Firstly, you do 90 - 42 to get the amount of brownies sold, which is 48. Then, you put 42 and 48 into a ratio like 42:48. After that, all you need to do is simplify to get 7:8.
Im guessing you meant improper. This means that the numerator is greater than the denominator. An example is 11/4
