Let u=4i-j and v=5i+5j. Decompose u into two vectors u, and u2, where u, is parallel to v and u, is orthogonal to v. Write your answers in the form a i+bj.

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

2pointswhich of the following appear in the diagram below? check all that apply. d a. zcdeов. сеo c. aéo d. zdce

What is the total surface area of this square pyramid?