What is 7/8 plus 3/4 in simplest form

Name the most appropriate metric unit for each measurement like a length of an carrot

Can someone check if i did this correct. it’s number 4 if you’re wondering.

Drag each expression to the correct location on the solution. not all expressions will be used. consider the polynomial 8x + 2x2 - 20x - 5. factor by grouping to write the polynomial in factored form.