Abox contains 17 nickels, 11 dimes and 19 pennies. if a coin is picked at random from the box, what is the average value of the draw in dollars?

Look at the figure below: triangle abc is a right triangle with angle abc equal to 90 degrees. the length of ac is 5 units and the length of ab is 4 units. d is a point above c. triangle adc is a right triangle with angle dac equal to 90 degrees and dc parallel to ab. what is the length, in units, of segment cd?

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?

Which shaded region is the solution to the system of inequalities? y y[tex]\geq[/tex]-x+1