Which expression shows how to multiply 5 times 381 by using place value and expanded form

What is the missing step in this proof ?

Solve the equation -9p - 17 =10 a -3 b. 16 c. 18 d -16

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.