In a span of 10 days, a presidential candidate is able to visit 20 different cities. convert this rate into a unit rate of cities per day. then use that unit rate to calculate how many cities the president can visit in 35 days.
a. 55 cities
b. 18 cities
c. 45 cities
d. 70 cities

Each month, a shopkeeper spends 5x + 14 dollars on rent and electricity. if he spends 3x−5 dollars on rent, how much does he spend on electricity? for which value(s) of x is the amount the shopkeeper spends on electricity less than $100? explain how you found the value(s).

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.

Which of the following equations is equivalent to x/3-6/x=1