Find the value of y in the following system of equations. 21x - 7y + 512= 141
13x + 9y - 5z = -19
192 8y + 232 = 30

What is the reflection image of (5,-3) across the line y = -x?

The value, v, of kalani’s stock investments over a time period, x, can be determined using the equation v=750(0.80)^-x. what is the rate of increase or decrease associated with this account? 20% decrease 20% increase 25% decrease 25% increase

Solve 2x − 1 = 11 for x using the change of base formula log base b of y equals log y over log b.