3/5 and 5/10 is it equivalent or not equivalent

If chord ab is congruent to chord cd, then what must be true about ef and eg?

Which inequality statement describes the two numbers on a number line? "? 7 and a number 5 units to the right of ? 7"

Suppose that the price p, in dollars, and the number of sales, x, of a certain item follow the equation 4 p plus 4 x plus 2 pxequals56. suppose also that p and x are both functions of time, measured in days. find the rate at which x is changing when xequals2, pequals6, and startfraction dp over dt endfraction equals1.5.