Is -2 the only point of reference given?
There is 2 ways to do this...decimal to percent
(1) multiply by 100..... 0.7 x 100 = 70%
(2) move the decimal 2 spaces to the right = 70%
<em>only the last figure (i.e figure e) is shaded </em>
The shaded region is a triangle
Area of a triangle
= ½ × b × h
= ½ × 14 × 5
= ½ × 70
= 35yd²