Answer:
20/ 9
Step-by-step explanation:
80/ 36 = 20/ 9 = 2 wholes and 2/ 9
y=x²+8
=(-2)²+8
=4+8
=12
z = 2.7x/r²y
z = kx/r²y
½ = k × ⅓ ÷ (3² × ⅕)
½ = ⅓k × 5/9
k = 27/10 = 2.7
z = 27x/10r²y
