50 POINTS PLZ HELP What is the common denominator (LCD) of 6 5/7 and 6 1/3?

Iq scores for adults age 20 to 34 years are normally distributed according to n(120, 20). in what range does the middle 68% of people in this group score on the test?

Heather is writing a quadratic function that represents a parabola that touches but does not cross the x-axis at x = -6. which function could heather be writing? fx) = x2 + 36x + 12 = x2 - 36x - 12 f(x) = -x + 12x + 36 f(x) = -x? - 12x - 36

What is the best approximation for the area of a circle with a radius of 4 m ? use 3.14 to approximate pi