Jana finished 1/4 of her homework at school and 2/3 of it before dinner. which of the following statements is true? a. she has a lot of homework left to finish. b. she has about half of her homework left to finish. c. she has a little homework left to finish. d. she has none of her homework left to finish.

Jordan got 27 out of 90 correct on his test . what fraction of the marks did her get correct

In a survey of 1015 adults, a polling agency asked, "when you retire, do you think you will have enough money to live comfortably or not. of the 1015 surveyed, 534 stated that they were worried about having enough money to live comfortably in retirement. construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement.

Cesar bought 7 items at the candy store. he bought candy bars for $0.50 each and packs of gum for $0.95 each. he spent a total of $6.80. what system represents the solution for the number of candy bars (x) and the number of pack gum (y) purchased?