If the position vectors of two points a and b are 3i + 2j - 7k and 2i - 5j + 4k respectively, then find ab and its direction cosines

Kapil needed to buy a long wooden beam. he went to two sawmills that each charge an initial fee plus an additional fee for each meter of wood. the following equation gives the price (in dollars) of a wooden beam from the first sawmill as a function of its length (in meters). p = 5+20xp=5+20x

Write an expression that has three terms and simplifies to 4x - 7. identify the coefficient(s) and constant(s) in your expression

1.two more than the quotient of a number and 6 is equal to 7 use the c for the unknown number translate the sentence into an equation