Which variable expression represents the phrase “3 times the sum of twice a number and 3”? i think the answer is d. but i'm not 100% sure. note: answer choices below

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36

Runner ran 1 4/5 miles on monday and 6 3/10 on tuesday. how many times her monday’s distance was her tuesdays distance

Acompany produces packets of soap powder labeled “giant size 32 ounces.” the actual weight of soap powder in such a box has a normal distribution with a mean of 33 oz and a standard deviation of 0.7 oz. to avoid having dissatisfied customers, the company says a box of soap is considered underweight if it weighs less than 32 oz. to avoid losing money, it labels the top 5% (the heaviest 5%) overweight. how heavy does a box have to be for it to be labeled overweight?