Suppose that a particles position is described by r(t)=(t^2+1)i+(t-5)j. give an equation(in the form of a formula involving x and y set equal to 0)whose solutions consist of the path of the particle.. the answer looks like =1

Average acceleration: i have no idea how to do this.

What makes a trapezoid an isosceles trapezoid?

The distribution of a sample of the outside diameters of pvc pipes approximates a symmetrical, bell-shaped distribution. the arithmetic mean is 14.0 inches, and the standard deviation is 0.1 inches. about 68% of the outside diameters lie between what two amounts?