Joshua start work each day at 8:30 am and finishes at 4:30.He has a 30 minute lunch break .How many hours does he work in a normal 10 day fortnight? Calculate his basic wages if this basic rate of pay is $8.75.

Can someone me with my hwplz(only the circled ones)

Aquantity with an initial value of 3900 decays exponentially at a rate of 35% every hour. what is the value of the quantity after 0.5 days, to the nearest hundredth?

The lengths of two sides of a right triangle are given. find the length of the third side. round to the nearest tenth if necessary. a) y = 12/5x + 39/5 b) y = 5/12x + 5/39 c) y = 12/5x - 39/5 d) y = 5/12x - 5/39