1. Which set of points represents a function? A.
{(-3,5), (-3, 2), (0, 6), (8, - 4)}
B.
{(2,5), (2, 2), (9,- 6), (-3,-1)}
C.
{(1, - 9), (5, - 6), (1, 1), (2, 7)}
D.
(-2, 4), (4, - 2), (8, 3), (8,9)

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.

Frank has a devised a formula for his catering business that calculates the number of meatballs he needs to prepare. the formula is m=4a+2c, where c=number of children; m=number of meatballs; a=number of adults. how many meatballs are required for a party of 10 adults and 5 children?

Which number can each term of the equation be multiplied by to eliminate the decimals before solving? 5.6j- 0.12=4+1.1j