Step-by-step explanation:
8 times 12 is 96
10 times 15 is 150 add them together and get 246
Answer:

Step-by-step explanation:

Apply sum of cubes formula: 


7 + 5 + 4 = 16, so probability of getting a red is 4 out of 16 which can be simplified as 1 in 4 chances
Answer: 8 textbooks
Step-by-step explanation:
Sold 40 notebooks = 40 x $4 = $160
$800 - $160 = $640 left to sell
$640/$80 (cost of textbook) = 8 textbooks need to be sold