Ronald and Kaili ran a 400 meter race Ronald’s time was 1 minute 51 seconds and Kaili’s time was 2 minutes 34 seconds. How much fast was Ronald’s I’ve than Kaili’s?

In the triangles, tr = ge and sr = fe. if = 3.2 ft, which is a possible measure of ? 1.6 ft 3.0 ft 3.2 ft 4.0 ft

At the beginning of 1974/75,2 years a man invested #2000 in a bank at 12.5% compound interest, if it degree #650 at the end of each two years to pay his son's school fees, after payment of interest to pay his son's school fees, how much did he have left at the beginning of the 1978/79 school year?

Find the missing factor. write your answer inexponential form.9^2=9^4×