Calculate the coefficient of y13 in the expansion of (1 - y) ^31

Which is true about the polynomial - 8m3 + 11m?

An owner of a key rings manufacturing company found that the profit earned (in thousands of dollars) per day by selling n number of key rings is given by, where n is the number of key rings in thousands.

Models proving that 3 (a+b) is equivalent to 3a+3b

A 7,5m ladder is placed with its lower end 2m away from the wall. How high up the wall does the ladder reach?

Simplify the expression: 10x + 7x + 6x

A grocery store paid 1525 x 7

The perimeter of a triangle shown is 20 inches write an expression for the perimeter then write an equation that you can use to find the length of each side

My new music player has a capacity of 380 380 gigabytes. (Recall that giga means billion

Explain what happens when you round 9,999.999 to any place?

Evaluate the following expression 3x^2 - 5x 6