Question $1$: Write a Java program to declare and initialize two integer variables and then display their sum.

Question $2$: Calculate and display the area of a rectangle with given length and width.

Question $3$: Convert a temperature in Celsius to Fahrenheit using the formula:

$F=(C**\frac{9}{5})+32$

Question $4$: Calculate the area and circumference of a circle given its radius. Use pi as $3\mathrm{.}14159.$

Question $5$: Given a person's age, calculate and display their age in months.

Question $6$: Calculate the sum of the first $n$ natural numbers.

Hint: You may need to use a formula you might have learnt in Maths class to solve this.

Question $7$: Given the base and height of a triangle, calculate its area using the formula: Area $={0\mathrm{.}5}^{**}$ base $*$ height.

Question $8$: Calculate the volume of a cube given its side length.

Question $9$: Convert a given number of minutes into hours and minutes.

Question $10$: Calculate the compound interest earned on a principal amount with given interest rate and time period.

Formula for Compound Interest: amount $=$ principal ${?}^{**}(1+$ rate ${)}^{{?}^{{?}^{?}}}$ years

Formula for Interest: interest $=$ amount $-$ principal

Hint: Use Math.pow to calculate the exponent.

Note your submission should include the question number program screenshot and output screenshot