39 is 25% of a number, what is that number?

Write the expression as a single natural logarithm. 2 in a - 4 in y

If private savings 'v' = 0.75s and total savings 's' equals $4.20 billion, solve for public and private savings.

Acaterpillar eats 1400\%1400% of its birth mass in one day. the caterpillar's birth mass is mm grams. which of the following expressions could represent the amount, in grams, the caterpillar eats in one day? \