Sin(theta)=-sqrt(2)/2, what is the angle measure?

Ineed with angles and the measure of them i have abc a is 65 and b is (3x-10) and c is (2x) find the value of x

My hour hand points between the 8 and the 9 in 35 minutes it will be the next hour. what time is it ?

Candice uses the function f(t)=t+100−−−−−−√ to model the number of students in her after-school program. the variable t represents days and f(t) represents the number of students. how many days does it take for there to be 15 students in her program? a. 225 days b. 125 days c. 325 days d. 115 days