The value of the surface area is equal to the value of the volume. Find the value of x. Then find the surface area and volume of the cylinder. Diameter of the cylinder=7 1/5 feet, height of the cylinder=x. I also need to know how to solve it.

Simon used a probability simulator to pull 3 colored marbles from a bag and flip a coin 50 times. the results are shown in the tables below color of marble number of times rolled blue 15 green 19 yellow 16 heads tails 26 24 using simon's simulation, what is the probability of pulling a blue marble and the coin landing tails up? 39/50 250/50 120/2500 360/2500 .

Tangent ? ) × cos /2 +? ) > 0. the answer is that cos ? < 0. i forgot to put the minus before. i get confusermd when i see questions similar to this when the radian is negative such as /2 i cant seem to solve it

William alston's gross weekly salary is $315. his weekly federal withholding is $35. the social security tax is 6.2% of the first $97,500 earned. the medicare tax is 1.45% of gross pay. the state income tax is 1.5% of gross pay. each week hey pays $8.40 for medical insurance. how much is deducted fro william's weekly wages for state income tax and medicare tax combined? for this problem, william has no exemptions.