A team of $4$ girls participated in a $100-\mathrm{m}$ race conducted by the Tasty Biscuit Company. They got the second position and each of them received $50$ packets of biscuits and a trophy. Each of them planned to keep $15$ packets of biscuits and distribute the remaining packets among their classmates. If there were $70$ girls in their class apart from them, write a mathematical expression to find the number of biscuit packets their classmates would have received.​

Write the terms of the following algebraic expression: 

$14x+23$

Write the terms of the following algebraic expression: 

$22-15x$

Write the terms of the following algebraic expression: 

$\frac{x}{30}+11$

Write the terms of the following algebraic expression: 

$15x$

Write the terms of the following algebraic expression: 

$xy-3$

Write the terms of the following algebraic expression: 

$3a+b+c$

Write the terms of the following algebraic expression: 

$x-2x-3z$

Write the terms of the following algebraic expression: 

$4xyz$