Use technology to convert (4, -2) into approximate polar coordinates. O r= 3.46; 0 = -0.46
O r = 3.46; 6 = 0.46
O r= 4.47; 0 = -0.46
O r= 4.47; 0 = 0.46

The long jump record, in feet, at a particular school can be modeled by f(x) = 19.6 + 2.5ln(x + 1) where x is the number of years since records began to be kept at the school. what is the record for the long jump 11 years after record started being kept? round your answer to the nearest tenth.

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Angel entered a triathlon (a three-part race). he swam 1 mile, rode his bike 30 miles, and ran 10 miles. how far did he go altogether? a. 11 miles b. 123 miles c. 41 miles d. 40 miles