Determine the value of variables a, b, and c that make each equation true. What is the value of a in this equation? (x^a)^6=1/x^30

Which basic geometric term has no width, no length, and no thickness? line b. point c. angle d. plane

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?

Which expressions equal 9 when x=4 and y=1/3 a. x2+6y b. 2x + 3y c. y2-21x d. 5 (x/2) -3y e. 3x-9y