Which expression is equivalent to 2.2 - 0.5(0.6x - 1.8) ?

a) 0.3x + 1.3

b) 0.3x + 3.1

c) 1.3 - 0.3x

d) 3.1 - 0.3x

Which equation shows the quadratic formula used correctly to solve 5x2 + 3x -4 0 for x? cos -3+ v (3) 2-4() 2(5) 3+ |(3)² +4() 205) 3+ (3) 2-4() -3+ v (3)² +4()

Answer asap! show all work! find the number of complex roots, the possible number of real roots and the possible rational roots of the polynomial function. then, solve for all roots. x^3 + 2x^2 + 3x + 6 = 0

Quadrilateral abcd is translated up and to the right, and then rotated about point q. which congruency statement is correct?