Answer the question below:

$3

Step-by-step explanation:

3 dollars because if he wants to buy 3 plants that cost 5 dollars each, that would be $15. But he has a coupon for 20% off, so 20% into a decimal is 0.20. So 15x.20 =3

paula, cory, and krista

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