Dan has 7 pairs of white socks, 3 pairs of black socks, and several pairs of blue socks. he has 15 pairs of socks altogether. write the ratio of the number of pairs of black socks to the number of pairs of blue socks

Felipe finished his history assignment in 2/5 hours. Then he completed his math assignment in 3/4 hours. How much more time did Felipe spend on his math assignment?

What is the center and radius of the circle (x-4) ² + (y) ² = 16

Estimate the area of a circle. use 22/7 for pi

What is one quarter added to one eighth

Since January 1980, the population of the city of Brownville has changed according to the equation y=720,500 (1+.022) ^x, where ^ indicates exponent. What does the number. 022 represent?

5x+12=44 then value of 5x-12=?

Which is greater, the amount the average person spends in a month on coffee or the amount the average person spends in a month on gasoline?

Using completing the square solve for x X^2-10x-9=0

Brazil exports the most coffee in the world. It cost approximately $2.55 to produce a pound of coffee; they want to make a profit of 300% for each pound. Also, the U. S. charges a 20% Tariff for each pound that is imported.

You buy hats for $5 and sell them for $20 each. what dose the graph of profits as a function of the number of the hats sold look like