Need help plez fast :)

At school there are 526 students and 263 are girls about how likely is it that a randomly chosen student will be a boy

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

Idon't want to fail summer school.the probabilities of contamination in medicine capsules due to the presence of heavy metals and different types of microbes are given in the table.the probability of capsule b having microbial contamination is (the same as, greater than, less than) the probability of capsule d having it.