Two cars start at the same point. one travel's north at 65 km/h and the other travel's east at 50km/h. How far are they apart after 30 minutes? ​

3.4 pizzas

step-by-step explanation:

given is a scatter plot showing number of pizzas sold during weeks for different issues of coupon

y represents number of pizzas sold and x number of coupons issued

y is marked verticaly and x horizontally

the trend line is given as

y =3.4x+43

this says that even when no coupon is issued pizzas sold will be 43

and rate of change of pizza sold for 1 unit of coupon = slope = 3.4

i.e. when x increases by 1 unit y increases by 3.4 units

hence for each additional coupon issued 3.4 pizzas more will be sold

you forgot an image

step-by-step explanation:

y=1/4x-4

step-by-step explanation:

x:       y:  

-1         4

0         4

1         6

2         18

3         20