Find the solution set of the quadratic equation ober the set of complex numbers. -7x^2+12x=10

Martha needs 22.25 strawberries for every 5 smoothies she makes. complete the table to see how many strawberries she would need to make 10 smoothies and 20 smoothies.

If c(x) = 4x – 2 and d(x) = x2 + 5x, what is (cxd)(x)

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class