5x+4y = 10

-5x+y = 15

If 1 ml = 0.034 fluid ounces, how many fluid ounces are in 1 hectoliter?

Dewayne waters his plant with 0.76 quart of water every other day write the amount of water he uses in word form and as a fraction

Turtles and tortoises have long life spans. a tortoise can live for 54,750 days. how many years can a tortoise live? (hint: 365 days=1 year)

Write an equivalent expression without grouping symbols. 6 (x-3)

A satellite orbits the Earth at about 13^4 kilometers per hour. How long would it take to complete 24 orbits, which is a distance of about 13^5 kilometers? A.) 312^4 hours B.) 13^9 hours C.) 13^20 D.) 13 hours

How many moles of hydrogen, H2, are needed to react with 2.0 moles of nitrogen, N2

Find the measure of each exterior angle for a regular heptagon. Round to the nearest tenth if necessary. A) 360 B) 51.4 C) 900 D) 128.6

Where do you put 3 1/2 on a real number line with positive and negative numbers

What is the square root of 5 times 6

What is the answer. 3 1/3 + 5 2/3 + 3 5/6