3/4=x/20,find the value of 'x'

The table shows the balance of a money market account over time. write a function that represents the balance y (in dollars) after t years.

Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?

50 people men and women were asked if they watched at least one sport on tv. 20 of the people surveyed are women, but only 9 of them watch at least one sport on tv. 16 of the men watch at least one sport on tv. make a a two-way table and a relative frequency table to represent the data.