Pls look at the picture and pls do not give me a link​

You eat 8 strawberries and your friend eats 12 strawberries from a bowl. there are 20 strawberries left. which equation and solution give the original number of strawberries?

What adds to be the bottom number but also multiplies to be the top number with 8 on the bottom and 15 on top

Find the value of the variable and the length of each chord for #5 and #6.