Ashipping container contains ten complex electronic systems. unknown to the purchaser, three are defective. two of the ten are selected for thorough testing and are then classified as defective or non-defective. what is the probability that no defective system is found

Answer asap and if you do you will get brainliest. catherine buys a gallon of ice cream from the store. after taking it home, she eats a fifth of a gallon of ice cream. her sister eats some of the ice cream as well. if two-thirds of the original amount of ice cream is left, then what fraction of a gallon of ice cream did her sister eat?

Lines f and g are cut by the transversal d. the measure of 1 = 2x + 35 and the measure of 8 = 10x - 85. what value of x will show that lines f and g are parallel? a. 19 b. 26 c. 18 d. 15

Lines a and b are perpendicular. if the slope of line a is 3, what is the slope of line b?