Let ∠1, ∠2, ∠3, and ∠4 have the following relationships. ∠1 and ∠2 are right vertical angles. ∠3 is an acute angle adjacent to ∠1. ∠4 is an acute angle adjacent to both ∠3 and ∠2. What is the sum of the measure of ∠1, the measure of ∠2, the measure of ∠3, and the measure of ∠4?

Find the domain of the following expression: 1/(√x)-2

Liz is shipping a package to her friend. the maximum weight of a medium flat-rate box is 20 pounds, including the box which weighs 6 ounces. write and solve an inequality to describe the possible weight in pounds, w, of the contents that liz will ship to her friend if she must use a medium flat-rate box. use the drop-down menus to explain your answer.

For the chance to be team captain, the numbers 1-30 are put in a hat and you get two chances to pick a number, without replacement. which formula correctly shows how to find the probability that you choose the number 1 and then 2?