Kym used the integer tiles to find the sum of (–3) + 6. the line showed that the answer is negative 3. which of the following does kym need to do to get the correct answer? a. add three more negative tiles b. remove the zero pairs c. add three more positive tiles d. remove three positive tiles

Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?

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

Hector and alex traded video games. alex gave hector one fourth of his video games in exchange for 6 video games. then he sold 3 video games and gave 2 video games to his brother. alex ended up with 16 video games. how many video games did alex have when he started?