Using the guess and check technique, find two numbers that satisfy both conditions. the sum of the two numbers is 56. the second number is seven less than two times the first number. what is the value of the first number, x? a.19 b.21 c.31 d.35

At his new job, jeremiah can choose an hourly rate of $9 plus a $50 weekly bonus for opening the store, or an hourly rate of $10 per hour with no opening bonus. the equations model his salary options. y = 9x + 50 y = 10x

Write the expression 7x^3-28xy^2 as the product of 3 factors

Astudent draws two parabolas both parabolas cross the x axis at (-4,0) and (6,0) the y intercept of the first parabolas 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