A boat whose speed in 15 km/hr in still water goes 30 km downstream and comes back in a total of 4 hours 30 minutes. The speed of the stream (in km/hr) is:

Simplify √x^10 a) x^4 b) x^5 c) x^4√x d) x^5√x

While crossing the Atlantic, sailors spot two mermaids 120 degrees apart on each end of an island that is 6 miles away. how far apart are the mermaids around the outer edge of the island to the nearest tenth of a mile

Jenna is building a rectangular garden in her yard. The diagonal measures 6.5 feet, and the width is measures 2.5 feet. What is the perimeter of Jenna's garden?

Write 863.141 in expanded form

A restaurant use 32 potatoes for each batch of potato soup it makes. about how many batches of potatoes soup can the restaurant make from its last shipment of 1,275 potatoes

How can 2x^2=x^2+4x+8 be set up as a systems of equations

Which statement best describes the excluded values of a rational expression? A - The number of excluded values of a rational expression cannot exceed the degree of the numerator.

Evaluate 12C4 and 11P4

Find the balance in the account. $700principal earning 5%, compounded annually, after 9years

Which statement is modeled by 2p+5<11