The perimeter of a photograph is 30 inches the photograph is 5 inches wide how long is it

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b

Two different points r and y are dilated from s with a scale factor 3/4, andry equal 15. use the dilation theorm to describe two facts that are known about ry

Miguel has 334 baseball cards and 278 football cards. he says, i have 612 cards in all. is that reasonable? explain using the words round and estimate.