The value of (-7) x 6 + (-7) x 14 is
(a) 42
(b) -84
(c) - 140
(d) -196​

Equation for the calculation double 2 and then add 5

Which function in vertex form is equivalent to f(x) = x2 + 6x + 3? f(x) = (x + 3)2 + 3 f(x) = (x + 3)2 − 6 f(x) = (x + 6)2 + 3 f(x) = (x + 6)2 − 6

Let x = a + bi and y = c + di and z = f + gi. which statements are true?