5 A classroom has 42 desks. Each row has 7 seats. Write an equation to find the number of rows in the classroom. Solve the equation if possible.

Christina can paint 420 square feet in 105 minutes. which unit rate describes the scenario?

Paul’s car is 18 feet long. he is making a model of his car that is 1/6 the actual size. what is the length of the model?

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