Which image (a'b'c'd') of  abcd  cannot be produced using only reflections? 

Which matrix multiplication is possible?

Acircle has a circumference of 7.850 units. what is its radius?

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.