Answer:
280/7
Step-by-step explanation:
280/7 = 40
348:3072 because you multiply all the original number and then you get 348 and then you double the original number and multiply the doubled number and you get 3072,
The answer is 4.5 units (or the last option in the multiple choice bubbles)
The is because the formula for the area of an triangle is A=(b•h)/2