In a recent survey, 70% of the 1400 female students and 30% of the 1000 male students on campus indicated that shopping was their favorite leisure activity. how many students placed shopping at the top of their list? what percent of the entire student body does this represent?

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

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

Mr. vector door is buying two new cowboy hats all together the hats cost $75.12 the second heart cost twice as much as the first hat what is the price of the more expensive at round to the nearest hundredth