Please help me...is 12 the solution or not

Aline has a slope of and a y-intercept of –2. what is the x-intercept of the line?

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.