Pick more then one below each 1-3 help me out please 1.
A. (2x - 1)(x+9)
B. (2x - 1 (x-9)
C. x+7
D.3x(x-9)

2.
A.3x(x+7)
B.3x(2x+1)
C. x-7
D. x+7

3.
A.-0.5
B.-7
C.0.5
D.9
E. 0​

(6.03) what is the constant term in the expression 6x3y + 7x2 + 5x + 4? (input a numeric value only.) numerical answers expected! me pls! fast pls

Data from 2005 for various age groups show that for each $100 increase in the median weekly income for whites, the median weekly income of blacks increases by $105. also, for workers of ages 25 to 54 the median weekly income for whites was $676 and for blacks was $527. (a) let w represent the median weekly income for whites and b the median weekly income for blacks, and write the equation of the line that gives b as a linear function of w. b = (b) when the median weekly income for whites is $760, what does the equation in (a) predict for the median weekly income for blacks?

What is the solution set for z+10=z-2