How do I solve this problem

15 = w + 4

25-x=22, чему равно x?

Board feet is a measurement of lumber volume. A board foot is equal to 144 in3 of wood. About how many board feet is a piece of lumber that measures 2 in. by 8 in. by 12 ft?

At a concert, 20% of the people wearing black dresses or suits, 1/4 are wearing navy, 0.35 are wearing brown, and the rest are wearing a variety of colors. Write the percent, fraction, and decimal of each color clothing.

In an inventory of standardized weights, 8% of the weights are found to exceed 10.282 grams and 6% weighs below 9.69 grams. If weight is a continuous random variable distributed normally, find the mean and standard deviation for this distribution.

How do you use LCM Factor Trees

The population of Canada is approx. 3 * 10^7. The population of Mexico is approx. 1 * 10^8. How many times greater is the population of Mexico compared to the population of Canada?

Guido is a citizen and resident of Belgium. He has a full-time job in Belgium and has lived there with his family for the past 10 years. In 2017, Guido came to the United States for the first time. The sole purpose of his trip was business.

Nora bought a robot originally priced at $80 but on sale for 25% off. After 5% sales tax, what was the total cost?

Chad poured a sidewalk that is 42 feet long. He is going to start at the beginning and make a cut every 20 inches. How many cuts will Chad make?

frank read 3/8 of a chapter of his reading book in 1/5 of an hour. at this rate, how many chapters of his reading book can he read in 1 hour?