72,000 x 143,000 in scientific notation

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.

Match each function with its rate of growth or decay

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?