24.3 cm
8.5 cm
9.7 cm

  area: 144.5 cm^2

Step-by-step explanation:

Maybe you want the area of this figure.

The area of a trapezoid is given by the formula ...

  A = (1/2)(b1 +b2)h

Using the given dimensions, the area is ...

  A = (1/2)(9.7 cm +24.3 cm)(8.5 cm)

  A = (1/2)(34 cm)(8.5 cm) = 144.5 cm^2

answer:   b

step-by-step explanation:

x2 = 16

x can not be a negative number because 16 is positive

the only answer would be positive 8