Nathaniel had a bag containing 75 marbles. He drew out a marble without looking and recorded the color. He then put the marble back in the bag and drew another marble without looking and recorded its color. He continued this for 15 draws. The table shows his results. what is the best estimate for the number of red marbles in the bag?

The system of equations graphed below has how many solutions?

The average number of vehicles waiting in line to enter a parking lot can be modeled by the function f left parenthesis x right x squared over 2 left parenthesis 1 minus x right parenthesis endfraction , where x is a number between 0 and 1 known as the traffic intensity. find the rate of change of the number of vehicles waiting with respect to the traffic intensity for the intensities (a) xequals0.3 and (b) xequals0.6.

Lola says these two expressions have the same value. expression a expression b which explains whether lola is correct?