Given the function f(x) = −2x2 + 4x − 7, find f(−4).
−55
−7
9
25

Simplify 15(x - 4)(x -1)-3(x + 4)(x - 1) with steps

Complex numbers multiply √-4 * √-25 and show all intermediate steps. alternative notation is sqrt(-4) * sqrt(-25).

Mon wants to make 5 lbs of the sugar syrup. how much water and how much sugar does he need… …to make 5% syrup?