Sohil has $18 in quarters and loonies. If there are 27 coins in total, how many loonies are there

The triangles are similar. what is the value of x? show your work.

Janet drove 300 miles in 4.5 hours. write an equation to find the rate at which she was traveling

Aproduction manager test 10 toothbrushes and finds that their mean lifetime is 450 hours. she then design sales package of this type of toothbrush. it states that the customers can expect the toothbrush to last approximately 460 hours. this is an example of what phase of inferential statistics