Evaluate each expression if a = 6 and b = 14. 1) 3a – b
2) b + 25
3) 4a + 5
4) 2b + 6a

Evaluate each expression if x = 2, y = 7 and z = 12.
5) 9a – 10
6) z ÷ x .
7) 2y2 + 3z
8) 3xy – 2z

The cash price of a television is $580.the hire-purchase price of the television is $865.the hire-purchase price is an initial deposit of n% of the cash price and 6 equal monthly payments of $120.find the value of n.

Question and answers are in the attached picture. you so much in advance.

Suppose i pick a jelly bean at random from a box containing one red and eleven blue ones. i record the color and put the jelly bean back in the box. if i do this three times, what is the probability of getting a blue jelly bean each time? (round your answer to three decimal places.)