2. A road 750 metres long is to be resurfaced.
(a)
Workalot say they can resurface it in 23 days.
How many metres is this each day?
Give your answer to the nearest metre.
(b) Roadfill say they can resurface 40 metres of the road each day.
How many days will it take them to do the job?

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.

Acentral angle measuring 160 degrees intercepts an arc in a circle whose radius is 4. what is the length of the arc the circle formed by this central angle? round the length of the arc to the nearest hundredth of a unit. a) 4.19 units b) 6.28 units c) 12.57 units d) 12.57 square units

Lucy spent $165 in december using a new credit card. in january, she began paying between $15 and $25 each month towards her account balance.