Three sirens wail at intervals of 30 minutes,50 minutes and 30 minutes .If they wail together at 7.18am on Monday .What time and day will they wail together?

Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the correct position in the answer box. release your mouse button when the item is place. if you change your mind, drag the item to the trashcan. click the trashcan to clear all your answers. solve this quadratic equation using the quadratic formula. 2x2 - 2x=1 need asap

Hannah paid $3.20 for 16 ounces of potato chips. hank paid $3.23 for 17 ounces of potato chips. who paid less per ounces?

Solve for x: 5/3 x = 20/21 it's fraction. remember to simplify your fraction