Which of the following methods would be the easiest to use to solve x2 + 4x + 3 = 0?
a: factoring
b: isolating the x2 term and finding the square root of both sides
c: using the quadratic formula
d: all three methods would be easy and effective.

Acircle has a radius of 5/6 units and is centered at (3.6, 7.8) write the equation of this circle

An office supply company conducted a survey before marketing a new paper shredder designed for home use. in the survey, 80 % of the people who tried the shredder were satisfied with it. because of this high satisfaction rate, the company decided to market the new shredder. assume that 80 % of all people are satisfied with this shredder. during a certain month, 100 customers bought this shredder. find the probability that of these 100 customers, the number who are satisfied is 69 or fewer.

Will mark ! (10 points also! ) if x varies inversely with y and x =6 when y= 10, find y when x=8 a. y=4.8 b. y=7.5 c. y=40/3 d. y=4/15