Find both the vector equation and the parametric equations of the line through (0 comma 0 comma 0 )that is parallel to the line Bold r equals left angle 8 minus 3 t comma 7 plus 2 t comma 2 plus 5 t right angle, where it equals 0 corresponds to the given point.

Asimple random sample of size nequals14 is drawn from a population that is normally distributed. the sample mean is found to be x overbar equals 70 and the sample standard deviation is found to be sequals13. construct a 90% confidence interval about the population mean

Is the square root of 4 plus the square root of 16 rational?

Point r divides in the ratio 1 : 3. if the x-coordinate of r is -1 and the x-coordinate of p is -3, what is the x-coordinate of q? a. b. 3 c. 5 d. 6 e. -9