A man sets out to travel from A to C via B. From A he travels a distance of 8km on a bearing N30°E to B. From B he travels a further 6km due east. a. Calculate how far C is
i. north of A
ii. east of A
b. Hence, or otherwise, calculate the distance AC correct to 1 decimal place.​

1) prove that 731^3−631^3 is divisible by 100 2) prove that 99^3−74^3 is divisible by 25

Given sin28.4=.4756, cos28.4=.8796, and tan28.4=.5407 find the cot of 61.6

The john deere company has found that revenue,in dollars, from sales of heavy-duty tractors is a function of the unit price p, in dollars, that it charges. if therevenue r is r(p)= -1/2p^2 +1900pa)how much revenue will the company generate if they sell 700 tractors? b) how many tractors does the company want to sell to maximize the revenue?