How to calculate percent error?

A circle has a radius of 5 inches. What is the circumference of the circle A 2¥ inches B 5¥ inches C 10¥ inches D 25¥ inches (I couldn't find the pi formula so I put ¥ sorry we need to use the C=¥ d

A recliner that costs $150 was marked up by 275%

How many outcomes are possible when choosing a vowel and choosing a card suit (spades, clubs, hearts or diamonds) ?

The current cost of a typical desktop computer is $745. The cost in year 1983 was $1,445 with fewer capabilities. What is the CPI for the desktop computer?

What is a positive coterminal angle to - 32° that is between 500° and 1000° and a negative coterminal angle to - 32° that is between - 500° and - 50°?

500 is how many tens

What is the solution to the following system of equations? y = - x2 - 5x - 4 y = - x2 + 9x - 18

A girl threw a marble 15 m vertically up in the air which later fell and settled at the bottom of a lake 7 m deep. Find the total distance travelled by the marble while falling down?

Joe sold 15 T-shirts for a total of $82.50. What is the unit price?

For the first 18 days of the month, buffet dinner generate $11,800 in sales. The buffet sale target for the month is $18,650. Given that there are 31 days in march, what daily sales goals must you set to meet your buffet sales target for the month