What is the sum of the two expressions?

(2/5x + 3) + (1/5x − 1)

One astronomical unit (1 au) is about 1.496 alt tag missing. kilometers. if you wrote this number of kilometers in regular decimal notation (for example, 528 and 3,459 are written in regular decimal notation), how many zeros would your number have?

Jimmy can run 3.5 miles in 20 minutes. how far can ne run in one hour and ten minutes?

What are the solutions of the equation x4 + 6x2 + 5 = 0? use u substitution to solve.