The times taken by 18 people to complete a puzzle are shown. Time, t minutes Frequency
8-1
0 5
7
10 < t < 20
5
20 < t < 30
7
30 < t < 40
1
Frequency
Draw a frequency polygon
for the data.
2
1
0
0
40
10 20 30
Time, t (minutes)

Examine the two-step equation. − 7 4 + x 4 = 2 which property of operations allows you to add the same constant term to both sides? amultiplication property of equality bdivision property of equality caddition property of equality dsubtraction property of equality

Right triangle xyz has a right angle at vertex y and a hypotenuse that measures 24 cm. angle zxy measures 70º. what is the length of line segment xy? round to the nearest tenth. 8.2 cm 8.7 cm 22.6 m 25.5 cm

Ateacher brought a pack of 17 batteries . each calculator uses 3 batteries . how many calculator can the teacher fill with batteries