1.solve each absolute value equation or inequality and choose the correct answer fron the choices provided |x| + 5 = 18
5 or -5
13 or -13
18 or -18
23 or -23
2. |y+4| < 1
-5 -3 -4 1 3. |2t| -5 = 7
t = 1 or -1
t = 6 or -6
t = 10 or -10
t = 12 or -12

Determine whether the following statements are true and give an explanation or counterexample. bold a. when using the shell method, the axis of the cylindrical shells is parallel to the axis of revolution. bold b. if a region is revolved about the y-axis, then the shell method must be used. bold c. if a region is revolved about the x-axis, then in principle it is possible to use the disk/washer method and integrate with respect to x or the shell method and integrate with respect to y.

Write the expression in complete factored form. 5n_(c - 3) - n(c - 3) =

Which two fractions are equivalent to 24/84? 6/42 and 2/7 6/21 and 2/6 12/42 and 3/7 12/42 and 2/7