3x(8r-1) x (4r+2s)
3x7r x (4r+2s)
21r x (4r+2s)
Ok so i just did 56/14 and got 4. So this means 14 goes into 56 4 times, so now i did 4 x 2 and got 8. So the answer is 8 free cones.
D. Nine hundred fifty-for thousandths
During Distributive property, the number on the outside of the parenthesis basically gets multiplied by the numbers inside the parenthesis. In this case, you would multiply 6 by 5 and 4. When you get the products, then follow the sign that comes next. In this case, you would add the products to get a total sum. I attached a photo for further reference.
Hope this helps!
1/4 of a slice since the pizza is 5/4 and only 5 people need a slice