HELLP THIS IS EASY 8TH GRADE STUFF BUT scale the numerator and the denominator down by a factor of 5 (just divide) to write a fraction equivalent to 30/70.

The graph shows the distance y, in inches, a pendulum moves to the right (positive displacement) and to the left (negative displacement), for a given number of seconds x. how many seconds are required for the pendulum to move from its resting position and return? enter your answer in the box.

Steve wants to develop a way to find the total cost of any item including sales tax. the sales tax in his city is 6%. his friend jenna writes the expression x + 6x where x is the cost of the item. explain whether her expression is correct based on the situation.

Can any one me with the answers to these questions asap?