What the answer for cos (-270)

Solve 2x2 + 12x - 14 = 0 by completing the square, options: A. 2 (x + 6) 2 = 26; x = - 6 + square root 13, x = - 6 - square root 13 B. 2 (x + 6) 2 = 20; x = - 6 + square root 20, x = - 6 - square root 20 C. 2 (x + 3) 2 = 32; x = 1, x = - 7 D.

What is the value of 5/6 divided by 3/7

Write words to match expression for (5x2) x (3x15)

Jon ran 2 miles. How many yards did he run? Explain how you got your answer.

Find the prime factorization of 180. Express your answer in exponential form

Multiply 2 and 1 half by 3 and 1 third

Find the similarity ratio and the ratio of the perimeters of two regular octagons with areas of 18 in2 and 50 in2.

In the town zoo 3/8 of the animals are birds. Of the birds 4/15 are birds of prey. What fraction of the animals are nirds of prey?

Can there be a linear trend if there is no positive or negative association

Line slope of 2/3 and y intercept of - 3