If there are 15 packets each contaning 20 toys in a box and another box has 20 packets with 15 toys in each packets which box has more number of toys?(use property of whole number)

What is the factored form of the following expressions? d^2 – 13d + 36

Four individuals pool money together to start a new business and agree to split the profits equally. n invests $6,000, x invests $2,000, y invests $8,000 and z invests $4,000. if the profits for the first month were $100,000, y receives than if the profits were divided in proportion to how much they invested.

The distance of a chord from the centre of a circle is 12cm and the lenght of the chord is 10cm. find the radius of the circle