3x + y = 11 and 6x + 3y = 24 solved by elimination

Factor: x^2 + 6x + 9

Find a formula for the sum of any four consecutive even numbers.

A company produces boxes of dvds of a rate at 52 boxes per hour. they begin to produce boxes when they first open for the day and after 3 hours they have 404 boxes in stock.

A block has a volume of 0.07 m3 and a density of 3,500 kg/m3. What's the force of gravity acting on the block (and weight) in the air?

Peter packed 6 small boxes with n cans of soup in each box. he packed 4 boxes with twice as many cans in the small boxes. write and simplify an expression for the number of cans e he packed

Prove the identity with steps. sin (x-y) / cos x sin y = tan x cot y - 1

What is x^2-64=0

How much of a $2,376.80 monthly net income is allotted for food if 23% is budgeted?

Draw a quadrilateral with only one set of parallel sides

Factor u^2 + 18u + 17