The cost c of petrol is directly proportional to the number of litres L. 8 litres of petrol cost £10.
a Find the formula connecting cost c of petrol and number of L.
b Work out the cost of 50 litres of petrol​

In trapezoid klmn, kj=19.2 and jm=22.5. identify ln.

(03.03 mc) choose the graph below that correctly represents the equation 2x + 4y = 24. (5 points) select one: a. line through the points 0 comma 6 and 12 comma 0 b. line through the points 0 comma negative 6 and 12 comma 0 c. line through the points 0 comma negative 12 and 6 comma 0 d. line through the points 0 comma 12 and 6 comma 0

Events a and b are independent. the probability of a occurring is 2/5. the probability of b occurring is 1/4. what is p(a and b)?