What is the measure of the vertex angle of an isosceles
triangle if the measure of one of its base angles is 42°?
A) 96°
B) 138
C) 69
D) 84

Use set buikder notation to represent the following set: {, -2, -1, 0}

Find the amount in a continuously compounded account for the given condition. principal: $1000, annual interest rate: 4.8%, time: 2 yr

Molly shared a spool of ribbon with 12 people. each person received 3 feet of ribbon. which equation can she use to find r, the number of feet of ribbon that her spool originally had?