There are 268 cars, lorries and motorcycles in a car park.
There are 3 times as many cars as lorries.
There are 20 motorcycles.
(a) How many cars and lorries are there?
(b) How many lorries are there?

Twenty-five percent of the customers entering a grocery store between 5 p.m. and 7 p.m. use an express checkout. consider five randomly selected customers, and let x denote the number among the five who use the express checkout.

Hurry im being timed the graph of f(x)=x^3-3x^2+4 is shown based on the graph how many distinct real numbers solutions does the equation x^3-3x^2+4=0 have

0.75,1.75,2.75,3.75 is arithmetic or geometric?