The table below shows the probabilities of selecting one ball at random from a bag of balls.
Colour
Red
Black
Yellow
White
Purple
Probability
0.25
0.14
0.06
0.15
0.40
Are there any balls of another colour in the bag? Give a reason for your
answer.

How to find the exponential function y=ca^x, with points (1,2) and (2,1)

An internet company charges $8.95 per month for the first 3 months that it hosts your web site. then the company charges $11.95 per month for web hosting. how much money, in dollars, will the company charge for 8 months of web hosting?

Afactory buys 10% of its components from suppliers b and the rest from supplier c. it is known that 6% of the components it buys are faulty. of the components brought from suppliers a,9% are faulty and of the components bought from suppliers b, 3% are faulty. find the percentage of components bought from supplier c that are faulty.