SECTION B. SULV MIL A tank can be emptied by one pipe in 30 minutes and another pipe in 20 minutes. When the tank is 2/3 full , how long will it take to empty it when both pipes are open?​

What is the nth term rule of the linear sequence below? 27 , 25 , 23 , 21 , 19 , . .

Samantha swam upstream for some distance in one hour. she then swam downstream the same river for the same distance in only 12 minutes. if the river flows at 4 mph, how fast can samantha swim in still water?

The axis of symmetry for the graph of the function f(x)=1/4^2+bx +10 is x=6. what is the value of b?