12. Write a numeral equivalent to seventy-nine using the following numeration systems:
a. Egyptian
b. Roman
c. Hindu-Arabic

Ngrid mixes 3.6 pounds of almonds with some raisins to make a trail mix. she divides the trail mix into 12 equal portions. each portion weighs 0.7 pound. how many pounds of raisins did she use to make the trail mix? express the answer to the nearest tenth.

What is the definition of exponential decay?

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup