All of the items in a bicycle shop are on sale for 30% off the regular price. rene spends $74.90 to buy a bicycle and a helmet (without taxes). if the regular price of the bicycle is $85, which equation can be used to find the regular price of the helmet, h?

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

Asix-sided die of unknown bias is rolled 20 times, and the number 3 comes up 6 times. in the next three rounds (the die is rolled 20 times in each round), the number 3 comes up 6 times, 5 times, and 7 times. the experimental probability of rolling a 3 is 10 %, which is approximately % more than its theoretical probability. (round off your answers to the nearest integer.)

Three lines meet at a point. set up and solve an equation to find the value of (a) is your answer reasonable? explain how you know