Algebra 1 unit test . which ordered pair is a solution of the equation y = x - 4 (2,6) (6,2) (-2,6) (-6,2) , i have 20 more questions too so if you're good at algebra me.

(urgent ) use pi 3.14 to estimate the circumference of the circle to the nearest hundredth middle is 4in (urgent )

Need ! discuss how to convert the standard form of the equation of a circle to the general form. 50 points

Dexter read 11 science fiction books and 5 history books. lena read 9 science fiction books and 4 history books. compare the students’ ratios of science fiction books to history books. 1. determine the ratios’ form:    science fiction books to history books 2. write the ratios as fractions:    dexter: 115; lena: 94 3. rewrite with a common denominator. 4. compare. 5. answer the question. determine which shows the correct comparison of the ratios for this problem.