Simplify. Express the answers using positive exponents
-2a^2 b^4 / 4ab^-8

Write the rational number in lowest terms 99/-15

Worth 100 points need the answers asap first row -x^2 2x^2 (x/2)^2 x^2 x is less than 2 x is greater than 2 x is less than or equal to 2 x is greater than or equal to 2 second row -5 -5/2 4 5 •2 is less than x& x is less than 4 •2 is less than or equal to x & x is less than or equal to 4 •2 is less than or equal to x& x is less than 4 •2 is less than x& x is less than or equal to 4

Solve for b. ab + c= d b= a + old ob=allc-ch b= (d-c/a