The value of a baseball card can be represented by the equation Y = 3x+39, where x represents the number of yea that Robert has owned the card and y represents the total value, in dollars, of the card. What was the value of the c
when Robert originally purchased it?

Given right triangle xyz, which correctly describes the locations of the sides in relation to

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?

Cot(90° − x) = 1 the value of x that satisfies this equation is °. a. 60 b. 135 c. 225 d. 315