Can someone help me, please? Let f(x) = (x +m)(x+n)(x - 1)+5, where m and n are integers and m<n<0. It is known that x is a
factor of f(x).
(a) Find the values of m and n.
(b) Let g(x)=x^3-9x^2 +10x +k, where k is a constant. Find the range of values of k such that f(x) –
g(x) = 0 has real roots.​

Trevor and marissa together have 26 t-shirts to sell. if marissa has 6 fewer tshirts that trevor, find hiw many tshirts trevor has. identify the if-than moves in your solution

Simplify 5 square root of 7 end root plus 12 square root of 6 end root minus 10 square root of 7 end root minus 5 square root of 6 . (1 point) 5 square root of 14 end root minus 7 square root of 12 5 square root of 7 end root minus 7 square root of 6 7 square root of 12 end root minus 5 square root of 14 7 square root of 6 end root minus 5 square root of 7

The scale for a map is 20 miles = 1/2 inch. the distance between two towns on the map is 3 3/4 inches. what is the actual distance between these towns? 150 miles 38 miles 75 miles 135 miles