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:

How does a high-mass star differ from a low-mass star as both enter the final stages of their life cycle? A. A high-mass star dies more explosively. B. A high-mass star ends in a nova event. C. A high-mass star ends when it runs out of hydrogen. D.

Which type of graph is commonly used to show how a whole amount is broken into parts?

What is the probability of a blue jay being the next bird papa sees?

What is equivalent to 30^1/2

Two angles of a triangle each measure 70°. What is the measure of the third angle in degrees?

33.52 is what percent of 8

Write an algebraic equation for the situation: Daniel is six inches shorter than Ernie, how y'all is Daniel

Tom drank quarts of water and his sister Jane drank 1.75 quarts of water. Write the amount that Jane drank using a fraction. Who drank more water?

23 is 85% of what number?

Solve the equation - 5 (8 - 4a) = - 35