22, i think because 3 times 3= 9, and 9 times 3 minus 5= 22
Point E is exterior to APD
Answer:
15
Step-by-step explanation:
x - y = 10, then x = 10 + y
x + y = 20
substitute for x:
10 + y + y = 20
2y = 10
y = 5
x = 10 + 5 = 15
Answer:
2400sq ft
Step-by-step explanation:
20×2 and 30×2
40×60
2400 sq ft