Two water pipes are filling a shark tank. One pipe fills the tank three times as fast as the other. With both pipes working together, the tank fills in 84 minutes. How long would it take for each pipe to fill the tank working alone?

Classify the following triangle check all that apply

Which is a true statement comparing the graphs of x^2/6^2-y^2/8^2 = 1 and x^2/8^2-y^2/6^2 the foci of both graphs are the same points. the lengths of both transverse axes are the same. the directrices of = 1 are horizontal while the directrices of = 1 are vertical. the vertices of = 1 are on the y-axis while the vertices of = 1 are on the x-axis.

If t17 = 3 (t5) in an arithmetic progression, find t1 in terms of d.