Question

Starting from 105 feet away a person on a bicycle rides towards a checkpoint and then passes it. the rider is traveling at a constant rate of 35 feet per second. THe distance between the bicycle and the checkpoint is given by the equation d= [105-35t] at what times is the bike 60 feet away from the checkpoint?

1.3 sec and 2.6 sec
1.3 sec and 4.7 sec****
1.1 sec and 2.6 sec
4.7 sec and 9.4 sec


Suppose P = {0,1,2,3,4,5,6,7,8,9} and V = {2,4,6,8,10,12,14,16,18,20} What is P O V

{0,1,2,3,4,5,6,7,8,9,10,12,14,16,18,20}
{0,1,3,5,7,9}
{10,12,14,16,18,20}****
{2,4,6,8}


Of 350 male athletes at a high school, some play only basketball, and some do both. if 250 of the males play basketball and 120 play both sports, how many of the males play baseball
a. 100
b. 220 **
c. 130
d. 120

Answer 1

Looks good to me, if #2 means P∩V

Answer 2

Yes thanks

Answer 3

In #2, it's not:
{10, 12, 14, 16, 18, 20}
It is:
{2, 4, 6, 8}
Good thing I checked that answer, or I would have had it wrong.

Answer 4

good nobody having a full on argument in this one