You ask 125 randomly chosen students to name their favorite food. there are 1500 students in the school. predict the number of students in the school whose favorite food is pizza.

If u = < -7, 6> and v = < -4, 17> , which vector can be added to u + 3v to get the unit vector < 1, 0> as the resultant vector? a. < 18, -57> b. < 18, -45> c. < 20, -57> d. < 20, -45>