Which property could be used to find the missing number?

(–8 + 3.1) • (4.2 + 7) = (4.2 + 7) • (–8 + )

a.
associative property

b.
commutative property

c.
distributive property

Saline iv fluid bags cost $64.20 for 24, 1000 ml bags from one supplier. a new supplier sells 500 ml bags for $2 each. the hospital uses about 10,000, 1000 ml bags each month. nurses report that about half of the bags are more than half full when they are discarded. if you are going to use only one supplier, which size bag provides the best deal, and how much will you save each month? compare the cost of the new supplier to the current one.

Drag each expression to the correct location on the solution. not all expressions will be used. consider the polynomial 8x + 2x2 - 20x - 5. factor by grouping to write the polynomial in factored form.

(x-5)1/2+5=2 what is possible solution of this equation