Answer:
sum of two even numbers will always be even. conjecture just means to make a generalization based on patterns
Answer:
24
Step-by-step explanation:
Negative and another negative makes a positive.
Add the fractions first.
5/5 is equivalent to 1. 7 5/5 becomes 8.
Add the numbers.
I hope this helps!
Answer:
b. Kathy
Step-by-step explanation:
We compare each of their score by how far away from the mean when in term of the standard deviation. Using the following formula
For John he is (85 - 75)/5 = 2.
For Kathy she is (80 - 50)/10 = 3.
Since Kathy is 3 standard deviation better than her class' average, while John is only 2's. We conclude that Kathy did better.