Trig! How do you solve complex numbers in rectangular form?

Write the equations in logarithmic form 10^3=1,000

Abaseball team drinks 10/4 gallons of water during a game. which mixed number represents the gallons of water consumed? a) 1 1/2 gallons b) 2 1/2 gallons c) 2 3/4 gallons d) 3 1/2 gallons

Find the vertex for the parabola given by the function ƒ(x) = −3x2 − 6x.