Giving a test to a group of students, the grades and gender are summarized below Male
Female
Total
A
8
15
23
B
14
11
25
C Total
10 32
12 38
22 70
If one student is chosen at random,
Find the probability that the student was female AND got a "B". Write your answer as a reduced fraction.
P(female and "B")-

Consider 6x2 + 6x + 1. which term immediately tells you that this expression is not a perfect square trinomial? justify your answer

Find the zeros of each function. f(x) = x^2 + 5x - 6

Titus works at a hotel. part of his job is to keep the complimentary pitcher of water at least half full and always with ice. when he starts his shift, the water level shows 4 gallons, or 128 cups of water. as the shift progresses, he records the level of the water every 10 minutes. after 2 hours, he uses a regression calculator to compute an equation for the decrease in water. his equation is w –0.414t + 129.549, where t is the number of minutes and w is the level of water. according to the equation, after about how many minutes would the water level be less than or equal to 64 cups?