The sum of 4 consecutive old numbers is 40. what is the second number in the sequence

Evaluate the expression for the given value of the variable. | ? 4 b ? 8 | + ? ? ? 1 ? b 2 ? ? + 2 b 3 -4b-8+-1-b2+2b3 ; b = ? 2 b=-2

Ibeg you to me 20. a reaction produces 4.93 l of oxygen, but was supposed to produce 1 mol of oxygen. what is the percent yield?

What is the location of point g, which partitions the directed line segment from d to f into a 5: 4 ratio? –1 0 2 3