1) What is the scale of a drawing in which a 9ft wall is 6 cm long?

2) Using a ¼ in. = 1 ft. scale, how long would a drawing of a 22 ft car be?

3) The height of a person on a scale drawing is 4.5 in. The scale is 1:6. What is the actual height of the person?

The scale of a map is 1 in. = 21 mi. Find each length of the map.
4) 147 mi = 5) 5.25 mi. =

Use the discriminant to describe the roots of each equation. then select the best description. 2m2 + 3 = m double root real and rational roots real and irrational roots non-real roots

At the olympic games, many events have several rounds of competition. one of these events is the men's 100-meter backstroke. the upper dot plot shows the times (in seconds) of the top 8 finishers in the final round of the 2012 olympics. the lower dot plot shows the times of the same 8 swimmers, but in the semifinal round. which pieces of information can be gathered from these dot plots? (remember that lower swim times are faster.) choose all answers that apply: a: the swimmers had faster times on average in the final round. b: the times in the final round vary noticeably more than the times in the semifinal round. c: none of the above.

Landon wrote that 3−2.6=4. which statement about his answer is true?