Martha drives to work every day and passes two independently operated traffic lights. the probability that both lights are green is 0.31. the probability that the first light is green is 0.51. what is the probability that the second light is green, given that the first light is green?

Two fire-lookout stations are 190 miles apart, with station a directly south of station b. both stations spot a fire. the bearing of the fire from station a is upper n 55 degrees upper e and the bearing of the fire from station b is upper s 60 degrees e. how far, to the nearest tenth of a mile, is the fire from each lookout station?

Hillel is juggling flaming torches to raise money for charity. his initial appearance raises $500\$500 $500 , and he raises $15\$15 $15 for each minute of juggling performance. the amount rr r of money hillel raises is a function of tt t , the length of his performance in minutes. write the function's formula.

There are 93 calories in a small candy bar how many calories are ther in a half dozen small candy bars?