3x-2y+4z=35

-4x+y-5z=-36

5x-3y+3z=31

What is the exact value of sin 30°? Enter your answer, as a simplified fraction, in the box.

Write this 15 is 12 less than 2 times a number.

A consumer bought a CD for $18.25 and paid with a $20 bill. How much change was there?

Fernanda bought a 500-milliliter container of orange juice. She used some of the juice and has 200 milliliters left. How much orange juice did she use?

What are reserve banks

Find the area under the line y=4x+1 between x=2 and x=3

Prove the trigonometric identity: (csc^2x) / (cotx) = cscxsecx ... ?

What is (3x + 5) - (x + 2)

1. Simplify. tan (x + 540) 2. Simplify the expression. sec (x - 360) 3. Simplify. 5cos (x) + 3cos (-x)

When looking at a rational function f of x equals the quantity x plus three times the quantity x minus two times the quantity x plus five all divided by the quantity x minus three times the quantity x plus two times the quantity x minus 5, Charles