In the figure below, S is between Q and T, and R is the midpoint of QS. If RS=2 and RT=9, find QT. QRS
QT = []
T
X
S

Astandard deck of cards contains 52 cards. one card is selected from the deck. (a) compute the probability of randomly selecting a seven or king. (b) compute the probability of randomly selecting a seven or king or jack. (c) compute the probability of randomly selecting a queen or spade.

The sum of the reciprocal of a positive number and the reciprocal of 2 more than the number is 3/4 equation: the number is

If f(x) = x+8 and g(x) = 4x- 3, find (f+g)(x)