Please help me with numbers start at -3 and add 10

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?

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?

Jim had 15 minutes to do 5 laps around his school what would his time be