Answer:
Make x 0 and y 3
Step-by-step explanation:
0 multiplied by 2 is 0
-3 multiplied by 3 is -9
0-9 = -9
I am to believe that his score was 70.
since mike scored 15 less than 85 i had suspected it was 70
False because when considering the magnitude of the numbers, 7 is only 7 away from zero which -9 is 9 away from zero. 9>7 so therefore, this statement is false.
Answer:

Step-by-step explanation:
Given
Cereal A


Cereal B


Cereal C


Required
Determine the expected value of grams of sugar
This is calculated by multiplying the probability and grams of sugar in each cereal.
The results of the products are then added together
i.e.




Hence;
The expected value of grams of sugar is 9 grams