Find a general expression for the slope of a tangent line to the indicated curve. Then find the slopes for the given values of x. Sketch the curves and the tangent lines. Y=4x-3x^2; x=-1.5, x=0.5, x=2

Which is the equation of a line perpendicular to the line with the equation 3x+4y=8

Solve: 3x+y=6 4x-2y=18 show all work !

Aschool allots ? 1500 to spend on a trip to the theatre. theatre tickets have a regular cost of ? 55 each and are on offer for 1 5 off. a train ticket for the day will cost ? 12 each. if 2 teachers and the maximum number of students attend, how much money will the school have left over?