1. 3x + 7y = 14
2. 3x + y = 12
3.5x - 4y - 20
4.4x=7-2y
5. 2x - 4y -9=0

Julia chooses a card at random from her set of cards. what is the probability that the card is labeled cat or hamster?

The sum of the first eight terms of an arithmetic progression is 9m + 14. the fifth term of the06 progression is 2m - 6, where m is a constant.given that the first term of the progression is 26,find the value of the common difference, d and thevalue of m.

If x-1 and x+3 are the factors of x3+10x2+ax+b find a and b