Evaluate the expression. 0.2 ÷ -1×(0.6 – -0.4)
Write your answer as an integer or a decimal. Do not round.
pls help this is due tonight and i really need help

The vertices of a triangle are a(7,5), b(4,2), c(9,2). what is m

Jabari is power washing houses for a summer job. for every job, he charges an initial fee plus $30 for each hour of work. his total fee for a 4 -hour job, for instance, is $170 . jabari's total fee, f, for a single job is a function of the number, t, of hours it takes him to complete the job. write the function's formula.

[15 points]find the least common multiple of the expressions: 1. 3x^2, 6x - 18 2. 5x, 5x(x +2) 3. x^2 - 9, x + 3 4. x^2 - 3x - 10, x + 2 explain if possible