You are recreating a scale drawing at a different scale. The original scale is 1 cm : 4 m. The new scale is 1 cm : 2 m. In the original drawing, the length of a segment is 7 centimeters. How long should the segment representing the same distance be in the new drawing?

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

Vinay constructed this spinner based on the population of teachers at his school according to vinays model what is the probability that he will have a male history teacher two years in a row

In a two-digit number the units' digit is 7 more than the tens' digit. the number with digits reversed is three times as large as the sum of the original number and the two digits. find the number.