A tree with a height of 4m casts a shadow 15 m long on the ground. How high is another tree that casts a shadow which is 20 m long? Use the words similar, corresponding, or proportion to explain your work.

A store has 30 blue pens, 18 black pens, and 12 red pens in stock. you buy 3 blue pens, 9 black pens, and 3 red pens. Find the probabilty of each event before and after your purchase. A. Randomly choosing a blue pen B.

Divide 120 in the ratio of 1:2

In 2010 the population of Swaziland was 1,200,000 people. From 2010 to 2050 Swaziland's population is expected to increase 50%. Find the expected population

What is 6,007,200 in expanded and word form?

The average distance from the sun to the earth is 1.488 x 10¹¹ meters. If the length of the average paperclip is 3 x 10-² meters, how many paperclips would need to be connected together to reach the sun?

You have 160 songs on your MP3 player. The probability of randomly choosing a rock song is 30%. How many songs on your MP3 player are not rock songs.

The cake uses eggs and potatoes in a ratio of 2:5 if he uses 6 eggs how man pototoes will he need

If sally needs to make $799.99 dollars but she makes 5.00 a week for a allowance how many months will it take sally to get all the money?

One apartment costs $1000 a month with deposit off $1500. Another apartment costs 1175 a month with a 1200 deposit. how many months will it take to equal the same amount

Which is larger 0.076 or 0.08?