13) ∆QRS is an equilateral triangle. If QR is seven less than twice x, RS is 61 less than five times x, and QS is 11 more than x, find the value of x.

The dolphins at the webster are fed 1/2 of a bucket of fish each day the sea otters are fed 1/2 as much fish as the dolphins how many buckets of fish are the sea fed each day? simplify you answer and write it as a proper fraction or as a whole or mixed number

According to the data set, where should the upper quartile line of the box plot be placed?

There were 25 students who answered to a survey about sports. four-fifths of them like football. how many students like football?