This years, john played in 10 baseball games. in these games, he had hit the ball 2,3,0,1,3,2,4,0,2 and 3 times. in the first 10 games he plays next year, john wants to increase his average (mean) hits per game by 0.5. what is the total number of hits john needs over the first 10 games next year to achieve his goal?

What is the first step of an indirect proof of a number that is divisible by two

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (–4, 0) and (6, 0). the y-intercept of the first parabola is (0, –12). the y-intercept of the second parabola is (0, –24). what is the positive difference between the a values for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth

Simplify (8x2 − 1 + 2x3) − (7x3 − 3x2 + 1). −5x3 + 11x2 − 2 5x3 − 11x2 + 2 x3 + 2x2 + x3 x3 − 2x2 − x3