In the diagram, the radius of the outer circle is 2x cm and the radius of the inside circle is 6 cm. The area of the shaded region is 160π cm2. What is the value of x? Enter your answer in the box.

What is 60percent of $69

Team A is located on the south bank of a river. Teams B and C are located on the north bank. The angle formed from Team C to Team A is S 42o W. Team C is 10 feet due east of Team B and 12 feet from Team A. How far is Team A from Team B? 8.1 ft 12.

Janelle and three of her friends bought four smoothies for a total of $3. If she purchases smoothies on another day for herself and 9 of her friends, how much money will she spend?

What is a proportional linear relationship

The time it takes to deflate the air out of a spherical balloon is inversely proportional to the rate at which the air is released. The balloon can be deflated in 70 minutes when the air is released at a rate of 400 cubic centimeters per minute.

14.4% of what number is 10.44

What is the equation of a line passing through (-4,-5) and having a slope of 5/2?

At midnight the temperature was - 8 degree F. At noon the Temperature was 23 degrees F. Which expression represents the increase in temperature?

Using the formula C = pi r find the circumference of a circle with diameter of 28

How can you figure someone age for example Evelyn was 9 when her brother Victor was born. Which equation tells you how to find Evelyn's age if you know Victor's age? e=Evelyn's age v=victor's age A. e=v+9 B. v=e+9 C. e=v-9 D. e+v=9