area of rectangle = L x w
so 16 x12 = 192 square feet
4mn. You are multiplying them all together.
X - 8 = y
where x = the original length of the board
and y = the correct length of the board :)
More information is needed to find the original or end lengths of the board.
Answer:
6
Step-by-step explanation:
(x + 9) * (x - 2) = 60
x^2 - 2x + 9x - 18 = 60
x^2 + 7x - 18 = 60
x^2 + 7x = 78
FACTORING:
x(x + 7) = 78
x = 6
Total number of pieces of paper = 11
Number of pieces with a vowel = 4
Probability of picking a vowel = 4/11 (answer)