What is the slope-intercept form equation of the line that passes through (3, 4) and (5, 16)?
y = 6x − 14
y = −6x + 14
y = −6x − 14
y = 6x + 14

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.

Suppose that sahil knows that 45 people with ages of 18 to 29 voted. without using a calculator, he quickly says then 135 people with ages of 30to 49 voted. is he correct? how might sohil have come up with his answer so quickly?

Yvaries directly as x. y =90 when x=6. find y when x=13