During the computer daze special promotion, a customer purchasing a computer and printer is given a choice of six free software packages. there are 8 different software packages from which to select. how many different groups of software packages can be selected?

The diagram shows a 7cm by 6cm rectangle based pyramid. all the diagonal sides - ta, tb, tc and td are length 10cm. m is midpoint of rectangular base. work out height mt to 1 decimal place

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

Match the following reasons with the statements given to create the proof. 1. do = ob, ao = oc sas 2. doc = aob given 3. triangle cod congruent to triangle aob vertical angles are equal. 4. 1 = 2, ab = dc if two sides = and ||, then a parallelogram. 5. ab||dc if alternate interior angles =, then lines parallel. 6. abcd is a parallelogram cpcte