Help pls on this worksheet

Apple pie is removed from 350 degree oven. temperature of the pie t minutes after being removed id given by the function t(t)=72+268e-0.068t

Write each of the following numerals in base 10. for base twelve, t and e represent the face values ten and eleven, respectively. 114 base 5 89t base 12

George writes the mixed number as sum and uses the distributive property 1/2.-2/5=1/2-2+2/5=1/2