Angela has the following coins in her pocket 10p 1p 50p 2p 20p

she pulls out two coins at random

how many different combinations of pairs are there

list all the combinations write all your answers like this(10p, 1p)

you must write all answers on one line

Julia is going for a walk through the neighborhood. what unit of measure is most appropriate to describe the distance she walks?

David estimated he had about 20 fish in his pond. a year later, there were about 1.5 times as many fish. the year after that, the number of fish increased by a factor of 1.5 again. the number of fish is modeled by f(x)=20(1.5)^x. create a question you could ask that could be answered only by graphing or using a logarithm.

The areas of two similar triangles are 72dm2 and 50dm2. the sum of their perimeters is 226dm. what is the perimeter of each of these triangles?