Nicole is factoring 0.49t18 – 25 by using the rule a2 – b2 = (a + b)(a – b).

What will she use for the value of a?

0.07t9

0.7

0.7t9

0.49

5050

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191 students play sports and ninety-seven 10th graders were surveyed.

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:

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step-by-step explanation: