(k+4) (k-4) the numbers have to multiply up to what ever the number is. so the number is 16 and 4 times 4 is 16. also a pluss and minus makes it into a negative number like the equation
Answer:
The answer is five!
Step-by-step explanation:
Always read down then up!
Answer:
Step-by-step explanation:
If Lois is 4 times as old as her son and we don't know how old the son is, the son's age is x and his mother's age is 4x (4 times the son's age). The word sum means to add, so the equation for this is
x + 4x = 40
Answer:
Either of the following square values:
Step-by-step explanation:
The three possible answers correspond to the square of the sides of the triangles via the Pythagorean theorem. And these are:
