(a) Find symmetric equations for the line that passes through the point (1, ?3, 7)and is parallel to the vector <-1,2,-4>

(b) Find the points in which the required line in part (a) intersects the coordinate planes.

point of intersection with xy-plane ( )

point of intersection with xz-plane ( )

point of intersection with yz-plane ( )

Jacob signs up to work for 2 1/2 hours at the school carnival. if each work shift is 3/4 hour, how many shifts will jacob work? (i just want to double check : |, for anybody that responds! : )

Arandom sample of 45 observations results in a sample mean of 68. the population standard deviation is known to be 23 a. compute the margin of error at a 959% confidence interval. b. compute the 95% confidence interval for the population mean c. compute the 90% confidence interval for the population mean. d. compute the 75% confidence interval for the population mean

Write an expression that shows 3 more than 5 times a number