Answer:
4 3/5
Step-by-step explanation:
for 2a, use the theorems of geometry and such to look at the area of the square as 16 squares total, then use the lengths and Sim/cos rule for the triangular area, then subtract and you have you shaded area.
Answer:
<h2>[-4, 6)</h2>
Step-by-step explanation:

(5x9)x4=(4x9)x5 the blank should be a 9 because they both = 180 on both sides.
J/k -0.2k when j= 25 and k=5 is 4