Steve has a marble jar and contains 8 orange marbles and 4 marbles. He will draw two marbles from the jar one at a time with out replacing the first marble. What is the probability that Steve gets an orange marble in his first draw and a purple marble on his second draw

What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2

Julian wrote the following numeric pattern on the board3,10,17,24,31,38.what numbers of julian's pattern are compound numbers.

Neoli is a nurse who works each day from 8: 00 am to 4: 00 pm at the blood collection centre. she takes 45 minutes for her lunch break. on average, it takes neoli 15 minutes to collect each sample and record the patient's details. on average, how many patients can neoli see each day?