How is the series 9 + 13+ 17+ ... + 149 represented in summation notation?

Agarden consists of an apple tree, a pear tree, cauliflowers, and heads of cabbage. there are 40 vegetables in the garden. 24 of them are cauliflowers. what is the ratio of the number of cauliflowers to the number of heads of cabbage?

Karen will divide her garden into equal parts. she will plant corn in 8/12 of the garden. what is the lowest number of parts she can divide her garden into?

Credit card a offers an introductory apr of 3.4% for the first three months and standard apr of 15.7% thereafter,