To solve an equation, you need to know the value of any variables before beginning. true or false

What is the radius of a circle with an area of 78.5 cubic inches? use 3.14 for pie

Ineed to know the ordered pairs for this equation i need the answer quick because it’s a timed test

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