Ok look person that keeps answering Im sorry hut I gues u can tell why Im literally fai-ling math, question is: add the polynomial expressions using the horizontal format

Step-by-step explanation:

i think this is right..lol

hope it helps :)

have a nice day!!

its 4 because 2 times 2 is 4, if you double the number two you get four

d) 30 units^2

area of rectangle = l × b

we know,

length = 10 unit

breadth = 3 unit

applying the formula,

= l × b

= 10 × 3

= 30 unit^2

happy to

pls mark as brainliest