Idid the first 3. but the substitute did it. and i'm still confused. and have to show work with the trinomial box also.

Find all the values of x that make 0.1x + 0.25(102 - x) < 17.10 true.

Simone claims the initial value and y-intercept are the same thing on a graph. is she correct? if you know that a line has a slope of and a y-intercept of 7, what is the equation for that line in slope-intercept form?

Which values of p and q result in an equation with exactly one solution? px-43=-42x+q choose all answers that apply: a) p=-43 and q=-43 b) p=42 and q=43 c) p=43 and q=−42 d) p=42 and q=42