Aclass has 4 boys and 10 girls. what is the ratio in simplest form that compares number of boys to total number of students? 4: 14 4: 10 2: 7 2: 5

Me solve this problem, and someone clearly explain to me how to solve it.1.) use the value of the discriminant to determine if the given trinomials has 2 real solutions, 1 real solution, or no real solutions.a.  x2  − 4x  − 7 = 0b. 4r2  + 11r  − 3 = 0c. 3m2  + 7 = 0d.  t2  + 2t  + 1 = 0

Jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate.true or false?

Find the rate of change for the situation.you run 7 miles in one hour and 21 miles in three hours.