It's D, $49.00/wk for x weeks is 49x, plus $18.00 bonus is 49x+18, add the fact that Mini worked for y weeks, 49y. Read it slowly and out loud till you get it.
384 in^{3}. because if you have to add the bases together then so 7+5=12 then you times the width and height together so 4*8=32. Then you times 12 * 32 = 384.
2.82 × 10^5 = (7.5×10^-1) × Length between the earth and the moon Length between the earth and the moon = (2.82×10^5)÷(7.5×10^-1) = 376000 = 3.76×10^5 i think this is correct hope it helps.