Triangle ABC is equilateral, which means all three side lengths and all three angles are equal. Which equation could be used to find the measure of ∠B?
x + 3 = 180
x 3 =180
3x = 180
x = 180

Fredrick designed an experiment in which he spun a spinner 20 times and recorded the results of each spin

What situation is an example of an observational study

Elena and her husband marc both drive to work. elena's car has a current mileage (total distance driven) of 15,000 and she drives 23,000 miles more each year. marc's car has a current mileage of 46,000 and he drives 9,000 miles more each year. will the mileages for the two cars ever be equal? explain.