Charlotte is going to drive from her house to City A without stopping. An equation that determines Charlotte's distance from City A t hours after leaving her house is
D= –30t + 300. What is the y-intercept of the equation and what is its
interpretation in the context of the problem?

Complex numbers multiply √-4 * √-25 and show all intermediate steps. alternative notation is sqrt(-4) * sqrt(-25).

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 .

If log(a) = 1.2 and log(b)= 5.6, what is log(a/b)? a. 4.4b. 6.8c. not enough informationd. -4.4