The population of a country (in millions of residents) is modeled by f ( t ) = 256.12e0.0054t. What will the population be in 15 years?

Acarnival sold tickets for $1.50 for adults and $1.00 for students. there were 54 tickets sold for a total of $70.50. write a system of equations to represent the number of adult tickets,x, and the number of student tickets,y. find the solution and explain what it means. i'll you if you me

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?

Jalen charges $25.50 for every 3 hours of yard work he does for his neighbors. ralph charges $34 for every 4 hours of work that he does. who charges less? opinions: 1.they charge the same amount 2.jalen 3.ralph