If a, b and c are unit vectors such that a. b = 0 = a. c and the angle between b and c is π/3; then what is the value of |a×b-a×c|​

Aresearch group wants to find the opinions’ of city residents on the construction of a new downtown parking garage. what is the population of the survey downtown shoppers downtown visitors downtown workers city residents

Me asap on # : explain how factoring a trinomial, ax^2+ bx+ c, when a does not equal 1 different from factoring a trinomial when a = 1.

Aramp rises 4 feet over a distance of 10 feet. what is the length of the ramp?