Some of the children at a school arrive by car
60% of the children at the school are boys
20% of the boys at the school arrive by car
60% of the girls at the school arrive by car
What is the probability that a child choses at random from the school arrives by car?
Give your answer as a decimal

Josephine has a great garden with and area of 2x2 + x - 6 square feet

Marlow is comparing the prices of two trucks rental compaines company a charges $3 per hour and an addtional $75 as serivce charges company b charges $2 per hour and an additional $85 as serivce charges

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?