The diagram shows a velocity-time graph of a motorbike for 25 seconds. a) After how many seconds was the acceleration zero? seconds
225
metres
b) What was the distance travelled in the last 15 seconds?
25
20
5
15
Velocity (m/s)
10
5

Sadie computes the perimeter of a rectangle by adding the length, l, and width, w, and doubling this sum. eric computes the perimeter of a rectangle by doubling the length, l, doubling the width, w, and adding the doubled amounts. write an equation for sadie’s way of calculating the

Factor the polynomial by its greatest common monomial factor.

From the top of a tree a bird looks down on a field mouse at an angle of depression of 50°. if the field mouse is 40 meters from the base of the tree, find the vertical distance from the ground to the bird's eyes.