A card is chosen randomly from a standard deck. What is the probability of choosing a red card thats NOT a queen? (A) 1/13 (B) 3/26 (C) 6/13 (D) 51/52

Suppose a pendulum is l meters long. the time,t,in seconds that it tales to swing back and forth once is given by t=2.01

Solve this problem! extra ! 3025/5.5 = a/90.75

Atorch and a battery cost 2.50 altogether.the torch costs 1.50 more than the battery.what fraction of the total price is the torch? give your answer in its simplest form.