Știind că : ab+bc=10 și b=5, calculați 5 x(a+c)
Dau coroana și puncte pls :(

Tomas used 3 1/3 cups of flour and now has 1 2/3cups left. which equation can he use to find f, the number of cups of flour he had to begin with? f+3 1/3=1 2/3 f-3 1/3=1 2/3 3 1/3f=1 2/3 f/3 1/3=1 2/3

Find cot x if sin x cot x csc x = √2

If x-1 and x+3 are the factors of x3+10x2+ax+b find a and b