Joe practiced his trumpet 3/4 hour on monday and 7/12 hour on tuesday. how long did he practice all together

F(x) = (x^2 + 3x − 4) and g (x) = (x+4) find f/g and state the domain.

Jackie purchased 3 bottles of water and 2 cups of coffee for a family for $7.35. brian bought 4 bottles of water and 1 cup of coffee for his family for $7.15. how much does each bottle of water cost? how much does each cup of coffee cost? i need this done

Write the equation for the parabola that has x− intercepts (−2,0) and (4,0) and y− intercept (0,4).