Santino bought a book for $23.54. the price of the book was $22. what was the sales-tax rate?

What value of x is in the solution set of –5x – 15 > 10 + 20x?

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?

Car a and car b were in a race .the driver of car b claimed that his car was twice as fast as car a