Cramer’s Rule is a nice shortcut to solving systems of equations 1.What skills are needed to solve equations with Cramer’s Rule?

2.Why is this rule title Cramer’s rule?

3.Share some background information about Cramer’s Rule.

4.What year was it used or discovered?

i would have to say it is c.

answer:

step-by-step explanation:

the number of possible outcomes that do not show a 1 on the first spinner and show the number 4 on the second spinner is 2.

spinner 1 spinner 2

1                     1

1                     2

1                     3

1                     4

2                   1

2                   2

2                   3

2                   4   = not 1, and 4

3                   1

3                   2

3                   3

3                   4 = not 1, and 4

only 2 outcomes have passed the given condition.

step-by-step explanation: