Mr. lumen replaced a square window with a rectangular one. The new window is 3 ft wider and 2 ft higher than the square one. it has an area of 30 ft. how log was a side of the original square window?

If annual college tuition and fees cost $8675, room and board cost $2235, books are $1850, and other charges are $250 per year, what is the total cost for 1 year of attendance?

The bird population on an island is declining at a rate of 2.2% per year. If the population was 3500 in the year 2009, which is the best prediction of the population in the year 2014? 3500 in 2009 3500 (.

Casandra finds a treasure chest packed with metallic coins. The chest has a volume of 0.25 m3. The coins have a combined mass of 4825 kg. Hoping to find gold, she calculates the density to determine the metal of the coins.

Integrate f (x, y) = x^2 + y^2 over the triangular region with vertices (0,0), (1,0), and (0,1). Use a definite double integral and show all the steps.

Last month, Laurie practiced piano for 1/4 hour each day for a total of 4 hours. Alisha practiced piano for 15 day. Who practiced on more days?

The measures of two angles of a triangle are 25° and 87°. Is the triangle acute, right, or obtuse? Explain. A. Acute; the measure of the third angle is 68°. So all three angles are acute. B. Acute; the measure of the third angle is 78°.

What is the lowest common factor of 91?

How do you write 2.5 as a percentage

James has 16 balloons. ¼ of his balloons are red. How many red balloons does he have.

Which number is the approximate for 47 and - 23