An eighth-grade class rolls a number cube with faces labeled 1 through 6. The results of 50 rolls are recorded in the table below.
Find the relative frequency that a number less than 4 is rolled.

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.

Given f(x)= 9x+1 and g(x)=x^3, choose the expression (f*g)(x)

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