In an isosceles triangle, the ratio of the measure of the vertex to the measure of a base angle is 1:4. Find the measure of the vertex angle

Bill works as a waiter and is keeping track of the tips he ears daily. about how much does bill have to earn in tips on sunday if he wants to average $22 a day? tips by day tips (dollars) monday tuesday wednesday thursday friday saturday $14 $22 $28 $36

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.

What is the correlation coefficient between the variables? round to three decimal places. enter your answer in the box