Answer:
y = 18
Step-by-step explanation:
y/3 - 4 = 2
y/3 = 6
y = 18
The factor tree is shown below
The product of prime factors is given by

×
Given:
x = 2 3 4 5 6
y = 20 ; 45 ; 80; 125;180
The constant variation for the quadratic variation is 5.
y = 5x²
y = 5(2²) = 5(4) = 20
y = 5(3²) = 5(9) = 45
y = 5(4²) = 5(16) = 80
y = 5(5²) = 5(25) = 125
y = 5(6²) = 5(36) = 180
Answer:
Answer 3rd choice

Step-by-step explanation:
Length is (Z + 9)
Width is (3z + 8)
Area of rectangle = length x width
See attached file
67 because complementary means they both will add up to 90 so you just subtract 90 minus 23 to get 67