To find the product of 19 x 4, create O 1 group of 10 and 1 group of 9
O 1 group of 10 and 4 groups of 9.
4 groups of 10 and 1 group of 9.
O 4 groups of 10 and 4 groups of 9.

Aright triangle has an area of 18 square inches. b: if the triangle is not an isosceles triangle, what are all the possible lengths of the legs, if the lengths are whole numbers. answer !

Amerchant has coffee worth $60 a pound that she wishes to mix with 50 pounds of coffee worth $90 a pound to get a mixture that she will sell for $70 a pound. how many pounds of the & 60 coffee should be used?

How do i do this activity, is appreciated