Henry tossed a coin several times and recorded the number of heads and tails in the following table: coin experiment side of coin number of tosses heads 12 tails 18 what is the experimental probability of getting heads?

If the value of cos330°is√3/2 then find cos 165°.

Gia opened two savings accounts at two different banks. one account earns an annual 3.4% simple interest, and the other earns half as much. if she deposited $500 in each account, how much total interest will she have earned in 5 years? a. $34.00 b. $25.50 c. $51.00 d. $510.00

Let f of x equals the integral from 1 to 3 times x of the natural logarithm of t squared. use your calculator to find f″(1).