Find the magnitude and the direction of AB⃗⃗⃗⃗⃗, BC⃗⃗⃗⃗⃗, and AC⃗⃗⃗⃗⃗, if
AB⃗⃗⃗⃗⃗ = 12î− 5ĵand BC⃗⃗⃗⃗⃗ = 3î− 4ĵ.

Give the equations of two different lines that are perpendicular to the line 3x + 4y = 7.

Consider u = {x|x is a negative real number}which is an empty set? o {x|x eu and x has a negative cube root}o {x|x eu and x has a negative square root}{x|x eu and x is equal to the product of a positive number and -1}{x|x eu and x is equal to the sum of one negative and one positive number?

Hakeem puts $59 from each paycheck into his savings account. he gets paid every two weeks or 26 times per year. his goal is to save $1500 this year. will hakeem reach his goal? explain your answer using words, a model and equation.