You see my mom wants me to khan academy and here some questions Four more than the product of three and a number x?

Find three consecutive numbers such that the sum of one-fourth the first and one-fifth the second is five less than one-seventh the third

An energy drink company claims that its product increases students' memory levels. to support its claims, the company issues advertisements claiming that 8 out of 10 people (chosen randomly from across the country) who tried their product reported improved memory. the missing component in this study is a .

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry