Write matlab codes The variable $T$ has two columns. column $1$ is the first test scores and column $2$ is the second test scores Test scores are out of $100.$

$($a$)$ Write the code that will give the number of students who scored more than $90$ in the second test

$($b$)$ Write the code that will give the number of students who passed both test.$($pass means score $60)$

Write the code that will create a built in function called thirdside that takes in $3$ arguments; the lengths of two sides and the angle between them, and returns the length of the third side

use the right hand side of Reiman sum to approximate the follwing integral. $($use $10,000$ rectangles$).{\displaystyle \underset{0}{\overset{0\mathrm{.}5}{}}}\frac{sin(x)}{x}dx$