Examine the system of equations. 2x + y = 34 -3x + 1 2 y = 25 if you multiply the first equation by 2, what must you multiply the second equation by to eliminate the y-variable.
-4
-2
1
4

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.

Write the percent as a fraction or mixed number in simplest form. 0.8%

Evan went to the park and saw for animals each animal was either a duck or dog if he saw a total of 14 legs how many of each animal did he see