Answer:
-16
Step-by-step explanation:
16-2(3×5+1)
16-2(15+1)
16-30+2
16-32
54
because
area = length times width
A = l* w
A = 10 * 50
A = 500 ft ^2
71/40
7/5*8/8=56/40+3/8*5/5= 15/40 so 15/40+56/40=71/40
4x+6y