If 126 base n =86 base ten, find the positive value of n

Find the perimeter of the figure shown above. a. 18 yds c. 20 yds b. 10 yds d. 24 yds select the best answer from the choices provided

Evaluate 8j -k+148j−k+14 when j=0.25j=0.25 and k=1k=1.

Suppose that in 2008 , 840,800 citizens died of a certain disease assuming the population of teh country is 399 miliion, what is the mortality rate in units of deaths per 100,000 people?