Patty found a battery-powered toy car in her basement that moved at a speed of 23 mm per second. After she replaced the battery, the speed of the car increased by x mm per second. The car with the new battery can travel 50 mm in 2 seconds. Which equation would you solve to find x ?

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 .