The temperature changed a total of 14° over the course of 7 hours with an average change of 2° per hour drop.
I think c .. I already took a course .. and the test had that question.. I cant remember the answer though
Answer:
three-forth minus one-fifth times four
Step-by-step explanation:
2 Dewey you can still go to get
to be sure that 2 of them will be blue i have to select 7+2=9 balls
7+8=15 balls in the urn
P=9/15
to be sure that 4 of them will be yellow i have to select 8+4=12 balls
P=12/15