For 19-26, tell whether the first number is a multiple of the second number. 21. 30,6
22. 54,9
19. 44,6
20. 25,5
25. 64,7
26. 48,8
23. 28,3
24. 45,5

Consider the line y = -3/-2 x +6. find the equation of the line that is perpendicular to this line and passes through the point (-9,-3). find the equation of the line that is parallel to this line and passes through the point (-9,-3).

Mr and mrs smith buy tickets for themselves and their four children. the cost of an adult ticket is ? 6 more than the adult ticket. the total cost of the six tickets is ? 40.50 work out the cost of an adult ticket. in your working let c be the cost of the child ticket and a be the cost of the adult ticket.

How to solve a simultaneous equation involved with fractions?