79383 times 473836 (ignore the question)

I maybe have covd but after my dad comes home i will let you all know if its the good or bad one​

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

What is the value of x? assume that the line is tangent to the circle.

A3cm×3cm\greend{3\,\text{cm} \times 3\,\text{cm}} 3cm×3cm start color greend, 3, space, c, m, times, 3, space, c, m, end color greend rectangle sits inside a circle with radius of 4cm\blued{4\,\text{cm}} 4cm start color blued, 4, space, c, m, end color blued . what is the area of the shaded region? round your final answer to the nearest hundredth.