In the hyperbola, 42 − 92 = 36, the focci are located at: a. (±6,0)
b. (0,±6
c. (±√13, 0)
d. (0, ±√13)
e. (0,0)

Equation for the calculation double 2 and then add 5

Afactory buys 10% of its components from suppliers b and the rest from supplier c. it is known that 6% of the components it buys are faulty. of the components brought from suppliers a,9% are faulty and of the components bought from suppliers b, 3% are faulty. find the percentage of components bought from supplier c that are faulty.

Sherrie is baking a pie for her family. she leaves the room and comes back to 35% of the pie having been eaten before she can put the topping on. how much 1 square inch strips of dough will she need for the top, now that a portion is missing? round your answer to the nearest while nimber.