Which expression has a value of 2, using only four 4s and any of the following : + , – , · , ÷, exponents, and/or parentheses

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.

5,600 x 10^3 = a) 560 b) 5,000,600 c) 5,600,000 d) 56,000

Kendra had twice as much money as kareem. kendra later spent $8 and kareem earned $6. by then,the two had the same amount of money. how much money did each have originally?