Explain why - 1 does not equal 1 by solving and showing the mistakes

Aleta's puppy gained 3/8 pound each week for 4 weeks. Altogether, how much weight did the puppy gain during the 4 weeks?

Caitlin overdrew her account by $7. If she deposited $50 into the account, what is her new balance?

Harold measures the heights in inches of the new plants that are growing in his greenhouse. He records the lengths shown below and wants to plot them on a line plot. 19.5 21.5 18.0 19.5 19.25 19.5 21.0 18.25 20.5 18.75 19.0 19.0 19.25 22.

Alice bought sofa for $500 in NJ. How much did she pay in total if NJ sales tax is 3%?

Find the slope of the line y = 3 4 x - 1 . Simplify your answer and write it as a proper fraction, improper fraction, or integer.

Rebeckah answered 42 of the 60 questions correctly on a test. Which method should she use to find the percent of questions she answered correctly? A.

Tino 6. How long does it take for a teenager to walk 15 meters if he can walk 3m/s? (hint: time=distance/speed)

How many apples can you buy for 60 cents at the rate of 3 for 10 cents

Is 3.345 more than 3.3?

How do you solve this equation 1/3 (x+1) + 2x=2.