If you open a new savings account at the bank and deposit $100 and then deposit $75 per week over the following weeks, which of the following equations would best represent how much total money you have in your account at any point in time? y = 75x + 100

x = 75y - 100

75x + 15y = 100

y = 100x + 75

If f(x)=x^3 and g(x)=2x+7 when g(x)=-5

Given the sequence 7, 14, 28, 56, which expression shown would give the tenth term? a. 7^10 b. 7·2^10 c. 7·2^9

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.