Answer :
Answer:
A = 30
Step-by-step explanation:
x = 5
y = 10
A = xy - 20
substitute 5 and 10 in the place of x and y
(5*10) - 20
50 - 20
30
A = 30
Answer:
A = 30
Step-by-step explanation:
x = 5
y = 10
A = xy - 20
substitute 5 and 10 in the place of x and y
(5*10) - 20
50 - 20
30
A = 30