Answer:
Step-by-step explanation:
hello :
x ÷ y for x = 8 and y = 16 means : 8/16 = 8/(2×8) = 1/2
C. 1/2
its 1/2 because x÷ y equals 1/2 when x=8 and y= 16 to evaluate subsititute 8 for x and 16 for y
32.5cm squared
((4+9)/2)·5=32.5
