Answer:
bob would be 46
Step-by-step explanation:
take 67 subtract 4 to get 63 and divide it by 3 to get 3 groups of 21
add 21 and 21 to get 42+4=46
Answer:
157 in(3)
Step-by-step explanation:
Answer:
a = 36 , b = 6
Step-by-step explanation:
expand the right side using FOIL and compare coefficients with like terms on left side.
(x - b)²
= x² - 2bx + b² , compare to x² - 12x + a , then
- 2b = - 12 ( divide both sides by - 2 )
b = 6
and a = b² = 6² = 36
Answer:
Step-by-step explanation:
sorry but i dont under stand