The sum of -2x+x+31 and 3x + 7x-8 can be D75 written in the form ax...

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The sum of -2x²+x+31 and 3x² + 7x-8 can be D75 written in the form ax² + bx+c, where a, b, and c are constants. What is the value of a + b + c ? 220 19 20 A start-up company opened with 8 employees. The company's growth plan assumes that 2 new employees will be hired each quarter (every 3 months) for the first 5 years. If an equation is written in the form y = ax + b to represent the number of employees, y, employed by the company x quarters after the company opened, what is the value of b? A length of arc BC is Note: Figure not drawn to scale. In the circle above, point A is the center and the 2 of the circumference of the 2014 5 circle. What is the value of x ? The sum of -2x²+x+31 and 3x² + 7x-8 can be D75 written in the form ax² + bx+c, where a, b, and c are constants. What is the value of a + b + c ? 220 19 20 A start-up company opened with 8 employees. The company's growth plan assumes that 2 new employees will be hired each quarter (every 3 months) for the first 5 years. If an equation is written in the form y = ax + b to represent the number of employees, y, employed by the company x quarters after the company opened, what is the value of b? A length of arc BC is Note: Figure not drawn to scale. In the circle above, point A is the center and the 2 of the circumference of the 2014 5 circle. What is the value of x ?