Tell whether the sequence is arithmetic. if it is, what is the common difference?
(2, 7, 13, 17)
a- yes, 5
b- yes, 6
c- yes, 2
d- no

The radical equation 2+√2x-3 = √x+7 has a solution set [x= a0} and an extraneous root x = a1.

Table which ratio is equivalent to 3: 7? 6: 7 3: 21 24: 56 15: 30

When you flip a biased coin the probability of getting a tail is 0.6. how many times would you expect to get tails if you flip the coin 320 times?