Sarah is selling phones. sarah has a revenue of 1 dollar for each phone sold.​

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left

Use the ratio test to determine whether ∑n=14∞n+2n! converges or diverges. (a) find the ratio of successive terms. write your answer as a fully simplified fraction. for n≥14, limn→∞∣∣∣an+1an∣∣∣=limn→∞.

30 ! the graph shows the number of siblings different students have. select from the drop-down menus to correctly complete the statement.