A car holds 70 litres of petrol correct to the nearest litre. It’s fuel economy is 12 km per litre to the nearest kilometre. Write down, but do not work out, the calculation for the upper limit of the distance the car can travel. Show working out.

Which solid has two triangular bases and three lateral faces, each in the shape of a rectangle? triangular prism triangular pyramid rectangular prism rectangular pyramid

Refer to interactive solution 17.45 to review a method by which this problem can be solved. the fundamental frequencies of two air columns are the same. column a is open at both ends, while column b is open at only one end. the length of column a is 0.504 m. what is the length of column b?

What is the total surface area of this square pyramid?