What is the measure of ∠B? Triangle A B C with ray A G through point C and angle measures A = 3x, B = 4x, and exterior angle B C G = 10x minus 45.

60∘60 degrees

15∘15 degrees

45∘45 degrees

105∘

Astuntman jumping off a 20-m-high building is modeled by the equation h=20-5t^2, where t is the same in seconds. a high-speed camera is ready to film him between 15m and 10m above the ground. for which interval of time should the camera film him?

9/10 divide by -3/15 as a mixed number

There were 25 students who answered to a survey about sports. four-fifths of them like football. how many students like football?