carlos and Jacob each improve their yards by planting daylilies and ivy. They bought their supplies from the same stores. Carlos spent $24 on 4 daylilies and 4 pots of ivy. Jacobs spent $36 on 4 daylilies and 8 pots of ivy. what is the cost of one daylily and the codt of one pot of ivy?

(! ) three cylinders have a height of 8 cm. cylinder 1 has a radius of 1 cm. cylinder 2 has a radius of 2 cm. cylinder 3 has a radius of 3 cm. find the volume of each cylinder

Ascientist wants to use a model to present the results of his detailed scientific investigation. why would a model be useful? a )because the model makes the concepts easier to understand b) because the model is easy to put together and to use c) because the model prevents other scientists from asking questions d) because the model requires the audience to pay full attention to it i don't know what to choose because between a and d a is much more likely than d because it only wants to get the attention of the audience. i'm confuse.

Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar.