Estimate the domain of the following graph?

In angle pqr find the measure of

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()

What is the area of the original rectangle? 8 cm² 20 cm² 25 cm² 40 cm²