The quadratic regression graphed on the coordinate grid represents the height of a road surface x meters from the center of the road. what does the graph of the regression model show? the height of the surface decreases from the center out to the sides of the road. the height of the surface increases, then decreases, from the center out to the sides of the road. the height of the surface increases from the center out to the sides of the road. the height of the surface remains the same the entire distance across the road.

The height of the surface increases, then decreases, from the center out to the sides of the road.

Step-by-step explanation:

Let

y------> the height of the surface

x------> the road

we know that

The quadratic regression graphed represent a vertical parabola open downward

The function increase in the interval -------->        

The function decrease in the interval -------->  

therefore

The height of the surface increases, then decreases, from the center out to the sides of the road.

2.56 is the width of the garden

step-by-step explanation:

solution:

we have to construct

∠m nt ≅ ∠p qr

the steps to draw this construction are

step 1: use a compass to draw an arc from point q which intersects the side pq at point a and the side qr at point b.

step 2: draw a segment nt and use the same width of the compass to draw an arc from point n which intersects the segment nt at a point x.

step 3:

step 4: join points n and y using a straightedge.

step 3:

option (d).maintaining the same width of the compass as ab, draw an arc from point x such that it intersects the arc drawn from n in a point y.

to draw   congruent angles , 1. width of compasses while drawing two angles should be same i.e from point at which angle has to be drawn, 2.the distance between the two points where the compass intersects the two sides should be same while drawing any two congruent angles.