There are 2/5 as many vans as cars and 2/3 as many vans as motorbikes in a parking lot. what is the ratio of the number of vans to the total cars and motorbikes?

If a 36 inch yardstick casts a 21 foot shadow, how tall is a building whose shadow is 168 feet? what is the scale factor

How do i find the missing angle measure in a polygon

Nellie is analyzing a quadratic function f(x) and a linear function g(x). will they intersect? f(x) g(x) graph of the function f of x equals one half times x squared, plus 2 x g(x) 1 5 2 10 3 15