Where is the location of the vertex of the parabola on a coordinate grid? y=x^2+2x-3 above the x-axis below the x-axis on the x-asxis on the y-axis

225/100 of last years cost. write each fraction as a decimal and as a percent

Which of the following graphs could represent a quartic function?

With these 5 geometry questions! pls 1.)quadrilateral abcd is inscribed in this circle.what is the measure of ∠a ? enter your answer in the box.°2.)quadrilateral abcd is inscribed in a circle.what is the measure of angle a? enter your answer in the box.m∠a= 3.)quadrilateral abcd is inscribed in this circle.what is the measure of angle b? enter your answer in the box.m∠b= °4.)quadrilateral abcd is inscribed in this circle.what is the measure of angle a? enter your answer in the box.°5.) quadrilateral abcd is inscribed in this circle.what is the measure of angle c? enter your answer in the box.°