What can you say about the marked angles? a. the marked angles are complementary (add to 90° in a right triangle b. the triangle is equilateral so all angles are equal, the marked angles are equal. c. marked angles are 45° in all three triangles d. the marked angles are supplementary. the two angles add to 180°

They are all right angled triangles so the marked angles are complementary

Its A

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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: