Which expression is equivalent to the given expression? – 2x2 + 8r - 9+ 40 + 722 + 2
OA. 5r2 + 12x - 7
B.
-9.12 – 12.3 + 11
O C.
-5x2 + 4x + 11
OD
–9x2 + 4x - 7

What is the order of magnitude for the number of liters in a large bottle of soda served at a party

Li buys supplies so he can make and sell key chains. he begins to make a profit only after he sells 4 key chains. what point on the graph makes the most sense in this situation?

Suppose that in 2008 , 840,800 citizens died of a certain disease assuming the population of teh country is 399 miliion, what is the mortality rate in units of deaths per 100,000 people?