Convert the 15 in binary system

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

Complete the solution of the equation. find the value of y when x equals -5. -4x - 8y = -52

Asunflower was 20 1/2 inches tall. over the next 6 months, it grew to a height of 37 inches tall. what was the average yearly growth rate of the height of the plzzz write a proportion i will give you 100 points