4. Simplify by combining like terms.
2x+3y-6+8x - 5y
A. 10x+8y-6
B. 10x – 2y+6
C. 10x+2y+6
D. 10x-2y-6

What is the volume of a rectangular prism if the length is 10.4 mm the width is 5 mm in the height is 8 mm

Aquantity with an initial value of 3900 decays exponentially at a rate of 35% every hour. what is the value of the quantity after 0.5 days, to the nearest hundredth?

What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2