Write a system of equations for the following applications and then solve using matrices in a calculator. Must include:
2 equations
MATRIX (if you want to use the "table" feature use a 3x2 table OR you can upload a screenshot from Desmos or a picture of your paper
and
solution WITH UNITS in your answer
The drama department raised $1419 by selling 294 tickets for “My Fair Lady”. If the cost of a student ticket was $4.00 and the cost of an adult ticket was $7.00, how many student and adult tickets were sold.

Define your variables:

System of Equations:

Matrix:

Solution:

Me find the measure to side a and the process to solve the problem you appreciate it : )

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²

Consider the following geometry problems in 3-space enter t or f depending on whether the statement is true or false. (you must enter t or f -- true and false will not work.) f equation editorequation editor 1. a plane and a line either intersect or are parallel t equation editorequation editor 2. two planes parallel to a third plane are parallel f equation editorequation editor 3. two lines either intersect or are parallel f equation editorequation editor 4. two planes orthogonal to a third plane are parallel f equation editorequation editor 5. two planes orthogonal to a line are parallel f equation editorequation editor 6. two planes either intersect or are parallel f equation editorequation editor 7. two lines orthogonal to a third line are parallel t equation editorequation editor 8. two lines parallel to a third line are parallel t equation editorequation editor 9. two planes parallel to a line are parallel f equation editorequation editor 10. two lines parallel to a plane are parallel f equation editorequation editor 11. two lines orthogonal to a plane are parallel