Answer i need this asap
the area of the shaded region is 42 ft2. what is the area of the unshaded region?

a) 4ft2
b) 21ft2
c)42ft2
d)84ft2

The rows and columns of lattice points in a three-by-three square array are evenly spaced one unit apart. how many distinct triangles with at least one side of length 2 units can be drawn using three lattice points for the vertices?

What is the greatest common factor of 8 and 36

Jamie went to home depot.she bought 25 bags of soil that cost $9 per bag.she bought 15 pots at $8 each,and she bought 23 bags of pebbles at $15 each.she used a coupon that gave her $5 off for every 100 dollars she spent.how much did jame pay at the end?