Help... 1. give the length of the arc cut off by the central angle of 120deg in a circle of diameter 8.6 metre.

2. Find the diameter of circle given the Area of a sector 6480
sqcm and angle its central angle of 150deg.​

25 ! the line of best fit is h = 5a + 86. predict the height at age 16.

Question 5 of 10 2 points if a population is a sample of the population could be a. registered voters; all citizens o o b. baptists; all religious people o c. people who purchased shoes; all customers o d. the entire school faculty; math teachers

If f(x) = 3x2 - 2x+4 and g(x) = 5x + 6x - 8, find (f-g)(x).