Can you guys please help I don’t know the answer!

What is the equation of the line of symmetry for the Parabola represented by the equation y= -2(x-3)^2+4?

Solving algebraic equations 2m+3=11

Starting at home, emily traveled uphill to the hardware store for 606060 minutes at just 666 mph. she then traveled back home along the same path downhill at a speed of 121212 mph. what is her average speed for the entire trip from home to the hardware store and back?

Answer each of the questions for the following diagram: 1. what type of angles are these? 2. solve for x. what does x equal? 3. what is the measure of the angles?