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How do i get the percent of 20 to 11

A man bought a car for $8,200 and sold it for 80% of the price two years later. How much did he lose?

Which expression is equivalent to 6x2 - 19x - 55? (2x - 11) (3x + 5) (2x + 11) (3x - 5) (6x - 11) (x + 5) (6x + 11) (x - 5)

Six people share 3/5 Pound of peanuts equally. what fraction of a pound of peanuts does each person receive?

2=ln (x+7) solve for x

Simplify the equation 3g-2b2

Solve for b A = bh (Area of a parallelogram)

Prove that: 25^9+5^17 is divisible by 30

James has mapped his seat and his teacher's seat on the coordinate plane at (0,10) and (-4,6). Find the distance between their seats. A. 4√ 17 units B. 16 units C. 4√ 2 units D. 4 units

What is the sum of 90 minutes and 50 minutes? 130 minutes 1 hour, 40 minutes 2 hours 2 hours, 20 minutes