Kelli has $13 in her wallet. She made $5 per day for walking her neighbor's dog over a period of 6 days. At the end of the week she spent $4 on a snow cone. The following expression can be used to describe the amount of money Kelli has at the end of the week. How much money does Kelli have at the end of the week? 13+5⋅6−4

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An initial investment of $100 is now valued at $150. the annual interest rate is 5%, compounded continuously. the equation 100e0.05t = 150 represents the situation, where t is the number of years the money has been invested. about how long has the money been invested? use your calculator and round to the nearest whole number. years

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?