A group of students were given a spelling test. the table shows their marks. workout the range of the marks

Explain how you can use the associative property to evaluate (7x50)x4.

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

What is the solution to the equation? k/6.4=8.7 2.3 5.568 15.1 55.68