Awireless phone company determines that 12 out of every 350 model a phones are returned because of a defective screen. if the company just purchased 2,000 more units, about how many model a phones should they expect to be returned? a.86 b.68 c.72 d.48

What is the number 321,000,000 in scientific notation? also what is the number? ?

Select the correct answer from each drop-down menu. a system of equations and its solution are given below. system a complete the sentences to explain what steps were followed to obtain the system of equations below. system b to get system b, the equation in system a was replaced by the sum of that equation and times the equation. the solution to system b the same as the solution to system a.]

Look at the chart showing the results of a baseball player at bat. which is the probability of getting a hit?