Answer:
B
Step-by-step explanation:
if we match the two informations we can say that the triangle is isosceles
The correlation coefficient r of the data set is <em>-0.28</em>
Step-by-step explanation:
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B. 9^2
explanation: 3^4 is equivalent to 3*3*3*3, which is 81
9^2 (9*9) also equals 81
Answer:

Step-by-step explanation:
We are given quadratic equations as

and it can be factored as

now, we can multiply factor term

now, we can compare

so, we get


we are given that
'a' and 'b' are integers
so, we can find all possible factors


so, we can find k
At
:

we can plug values


At
:

we can plug values


At
:

we can plug values


At
:

we can plug values


So, values of k are
