erpret theA colony of bacteria doubles in number every hour. The expression 250 * 2 ^ h gives the number ofbacteria after h hours. What does the constant 250 in the expression represent?

Simonne used the following steps to simplify the given expression. 12 - 3(-2x + 4) step 1: 12 + (–3)·(–2x) + (–3)·(4) step 2: 12 + 6x + (–12) step 3: 12 + (–12) + 6x step 4: 0 + 6x step 5: 6x what property of real numbers was used to transition from step 3 to step 4? a. identity property of addition b. inverse property of addition c. associative property of addition d. commutative property of addition

If x+y+z=0 what is the value of [tex] {x}^{3} + {y}^{3} + {z}^{3} [/tex]

Ahyperbola centered at the origin has a vertex at (-6,0) and a focus at (10,0). what are the directrices?