A newspaper reports the following changes in the temperature of a city over 4 days: 2.34 degrees Celsius, negative 2 over 7 degrees Celsius, −0.45 degrees Celsius, 3 over 8 degrees Celsius

Write an expression to show the average daily change in the temperature of the city.

Write the steps to solve the expression. Round your answer to the nearest hundredth.

Be original, and type the answer in your own words!

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.

Suppose you are an avid reader and are looking to save money on the cost of books instead of paying about $20 for each book, you decide to look into purchasing a kindle for $120 you can purchase e-books for about $5 each 1. find the slope-intercept equation for the cost of the hard copy of books using x to represent the number of books 2. find the slope-intercept equation for the cost of the kindle with cost of e-books using x to represent the number of books

Idon't get undoing if its pass adding and subtracting so can someone ? x-2 over 5 = 18