Dave buys a baseball for $15 plus a 8% tax. mel buys a football for $20 plus an 8% tax. enter the difference, in dollars, of the amounts dave and mel pay including tax. round your answer to the nearest cent.

Which expressions are equivalent to -7+3(-4e-3)? choose all answers that apply: choose all answers that apply: a -4(3e+4)? 4(3e+4) b 12e12e c none of the above

Find an bif a = {3, 6, 9, 12) and b = {2, 4, 6, 8, 10).

If you were constructing a triangular frame, and you had wood in the length of 4inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood? yes or no. explain your mathematical thinking