Ten people were chosen at random and surveyed. Their annual incomes (X) and the amounts of their annual charitable giving (Y) are both shown in the table below. Salary (in ten thousands) Charitable Giving (in thousands) X Y 38 3.8 42 0 48 0 55 2 58 0 61 2 66 0 72 1 78 3 120 0.5 Using technology, compute the correlation coefficient, r, and determine if there is a correlation between the variables.

4 puzzles in 3 hours

step-by-step explanation:

step-by-step explanation:

no, her answer is not correct.   we square the lengths of all sides and then determine whether the pythagorean theorem holds here:

9² + 15² = 306.   this is not equal to the square of the longest side ( that square being 395.   answer c is correct.

answer:  

step-by-step explanation:

odd numbers are only divisible by 1 and itself.

even numbers are divisible by more than 1 and itself.

for example 6 is even because it is divisible by more than 1 and its self. 1 x 6= 6 ; 2 x 3= 6

and 7 is odd because only 7 x 1 equals seveb