a dealer sells a certain type of chair and a table for $40. he also sells the same sort of table and a desk for $83 or a chair and a desk for $77. find the price of a chair, table, and of a desk.

In triangle opq right angled at p op=7cm, oq-pq=1 determine the values of sinq and cosq

Agroup of students want to create a garden. they do not know the exact measurements but they propose using a variable to represent the length and width of the garden. the length of the garden is 10 feet longer than double the width. use a single variable to write algebraic expressions for both the length and width of the garden. write an algebraic expression for the area of the garden. use mathematical terms to describe this expression.

Simplify 15(x - 4)(x -1)-3(x + 4)(x - 1) with steps