Evaluate. (8−22+1)2/ 1÷5⋅1/2 250 50 2.5 1I WILL GIVE BRAINLEAST PLZ ASAP I NEED LESS THAN 10 MIN PLZ PLZ PLZ

Aclass consists of 55% boys and 45% girls. it is observed that 25% of the class are boys and scored an a on the test, and 35% of the class are girls and scored an a on the test. if a student is chosen at random and is found to be a girl, the probability that the student scored an ais

Select the conic section that represents the equation. 3x2 + 3y2 -2x + 4 = 0

Why is causation so much more difficult to prove than correlation?