Which expression is equivalent to 16.8-18.6

A. 18.6-16.8

B. 16.8 - (-18.6)

C.-18.6 + (-16.8)

D. 16.8 + (-18.6)

Determine if the sequence is arithmetic. - 9, - 109, - 209, - 309

How many Times does 3 go into 1.4

During the new year celebration there are orange, green purple, and blue fireworks. In how many different orders can the different colors of fireworks appear?

A triangle has side lengths of 12 cm, 35 cm, and 37 cm. Classify it as acute, obtuse, or right. acute obtuse right

45*5:45+3455-455+75456-88

What is the domain, range, and function for (-6, 4), (5, - 1), (0, 3), (-2, 4)

Find the nth term in the following sequence: 10, 19, 34, 55

How to subtract 23 from 71 is like subtracting 3 from 71? How is it different from subtracting 3 from 71? Explain.

12per cent of 23563412

I=/sqrt{-1}i = - 1 i, equals, square root of, minus, 1, end square root, what is the sum (7+3i) + (-8+9i) (7+3i) + (-8+9i) left parenthesis, 7, plus, 3, i, right parenthesis, plus, left parenthesis, minus, 8, plus, 9, i, right parenthesis?