Eleri wants to be fit for the adventure holiday. She runs 2 laps of a running track. Each lap is 400m. Eleri thinks she has run 1km in total. Is Eleri correct? Show why you think this. Show your working and your answer here.

Arectangle has a width of 9 units and length of 40 units. what is the length of a diognal. a. 31 unitsb. 39 unitsc. 41 units d. 49 units

Find the volume of the described solid.the solid lies between planes perpendicular to the x-axis at x = 0 and x=7. the cross sectionsperpendicular to the x-axis between these planes are squares whose bases run from the parabolay=-31x to the parabola y = 30/x.a) 441b) 147c) 864d) 882

How do the definitions, properties, and postulates you've learned about line segments, parallel lines, and angles to define the shapes of polygons