Question 5 of 25 What is the quadratic regression equation that fits these data?
Number of seconds Height (in feet)
0
12
1
14
2
15
3
14
4
10
5
6
O A. y=-1.94x2 +0.62x+ 9.62
B. y= 15.68(0.884)
c. y=-0.89x2 + 3.24x+11.93
O D. y=-3.69x2 + 2.08x + 8.07
SUBMIT

In trapezoid efgh, m∠hef=(4x2+16)∘ and m∠gfe=(5x2+12)∘. find the value of x so that efgh is isosceles.

Find the roots of the equation below. x^2 - 6 + 9 = 0

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.