The 2nd and 5th terms of a GP are -7 and 56 respectively. Deduce a. the common ratio
b. the first term
c. the sum of the first five terms.

Akitchen floor is made up of tiles that are in the shape of the triangle shown there are 40 tiles on the kitchen floor what is the total area of the floor

Need on this geometry question. explain how you did it.

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m