7. The temperature of a cup of coffee decreases by \( 20 \% \) every minute. If the initial temperature is 80 degrees Celsius, what will be the approximate temperature after 5 minutes? A. 20 degrees Celsius B. 26 degrees Celsius C. 32 degrees Celsius D. 64 degrees Celsius

a) \( \frac{4}{5}+\frac{2}{5}= \)

A car was valued at \( \$ 45,000 \) in the year 1993 . The value depreciated \( \$ 12,000 \) by the year 2003 . A) What was the annual rate of change between 1993 and 2003 ?

In a box of 80 glasses, 3 are broken. Work out the percentage of broken glasses in the sox.

Calculate \( 1 \frac{3}{4}+\frac{3}{6} \) by finding a common denominator. Give your answer as a mixed number in its simplest form. \[ 1 \frac{3}{4}+\frac{3}{6}=\square \]

Gleviote \( 1 \frac{3}{4}+\frac{3}{6} \) by finding a common denominator. vive your ariswer as a mixed number in its simplest form. \( 1 \frac{3}{4}+\frac{3}{6}=\square \)