HELPPP PLEASE 20 POINTS
What is the surface area of this design?

The surface area of given design is 197 in².

Step-by-step explanation:

All the phases expect the side phases are rectangles.

The area of rectangle = Length × Breadth.

Top phase area = 5 × 5=25 in.

Bottom phase area = 9 × 5=45in.

Left Phase area = 5 × 5 =25in.

Right Phase area = 6.4 × 5=32in.

Side phases are of equal area and of the shape quadrilateral.

Area of quadrilateral given = Area of rectangle + Area of triangle

= 5 × 5  + (1/2) × 4 × 5

= 35 in.

Total Surface area = Top phase area + Bottom phase area + Left Phase area + Right Phase area + 2×( Side Phase Area)

                               = 25+45+25+32+(2×35)

                               = 197 in².

the system of inequity is

step-by-step explanation:

from the given graph it is noticed that we have two related lines. one is solid and another is dashed.

if a line passing through two points, then the equation of line is

the solid line passing through the points (0,4) and (4,0).

the related equation of solid line is .

similarly, find the related equation of dashed line. the dashed liune passing through the points (0,0) and (3,1).

the related equation of dashed line is

from the given graph it is noticed that the point (0,1) lies on the shaded region, therefore the point (0,1) must be satisfied by the related equations.

check the related equations by the point (0,1).

this statement is true if the sign of inequality is < instead of equality. since it is an solid line therefore the sign of inequality will be . the required inequality is

similarly, check the second related equation.

it is a dashed line, so this statement is true if the sign of inequality is > . the required inequality is