Ornithomimus stood about 6 feet tall and was the fastest dinosaur at a speed of about 50 mi/h. The largest dinosaur, Seismosaurus, was 20 times as tall. How tall was Seismosaurus? This is for math

The answer is 49/16 or 3 1/16

Look, when you want to do something like put it like x^2. x2 could mean x² or x₂. so to clear confusion, know the notation. to find the product multiply the x's and you get -8x and the y's and you get 6y. since it's all being multiplied it is just -8x6y, or answer a. although the better answer is -48xy(combining -8 and 6) because you should multiply constants whenever you can.