Answer now i need on this test -20 = -4x - 6x ty ty tysm

Acircle has a circumference of 28.36 units what is the diameter of the circle

Question 13 (1 point) jerome is starting a new job. his contract states he will earn $42,000 the first year, and will get a 4% raise per year. which function s(x) represents jerome's salary after a certain number of years, x?

If the segment op is dilated by a scale factor r=2, what is the length of segment op? a)10cm b)16cm c)6cm d)4cm