Store A sells a 100-ounce bottle of cleaner for $12.99, Store B sells the same cleaner for
$9.49 for a 70-ounce bottle, and Store C sells
a 90-ounce bottle of the same cleaner for
$10.98. Which store has the best buy for the
cleaner?

225x²+4=0

225x²=0-4

225x²=-4

x²=-4/225

x=±√-4/225

option (b) is correct

step-by-step explanation:

to find the solution of this system, we need to convert it into reduced row-echelon form. we have,

after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,

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: