We can make two simple equations to express their ages to each other, then solve for one of the variables. Let n be Nojo's age and j be Jacob's age.
n(j) = 84
n - 5 = j
Use substitution to get only one variable in an equation.
n (n - 5) = 84
n^2 - 5n = 84
Since we have n to the power of 2, this equation has two possible answers, but since we are given four possible answer, just substitute them in the equation until one makes the left side equal 84.
<span>n^2 - 5n = 84
</span>12^2 - 5 (12) = 84
144 - 60 = 84
84 = 84
The answer is C = 12
Answer:
1 for all evaluate questions
Step-by-step explanation:
just remember anything to the zero power is 1
a negative times a negative is a positive answer so both 5 *6 and -5 *-6 = 30
the answer is C
Greater than because they are negative
Answer:
3X+8 IS THE ANSWER FOR EQUATION
26 IS 2ND ANSWER
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