1.How many people were in the survey shown in the frequency table? A.27
B.4
C.30
D.15

2.What is the typical age of people shown in the frequency table?
A.9
B.10
C.12
D.11

3. Students were asked what day of the week they were born. Which statement is true?

A. Fifth grade students are not born on Saturday.
B. Most fifth-grade students are born on Tuesday or Wednesday.
C. There is not enough data to draw a valid conclusion.
D. Most fifth-grade students are born on Sunday.

Estimate the area under the curve f(x) = 16 - x^2 from x = 0 to x = 3 by using three inscribed (under the curve) rectangles. answer to the nearest integer.

Which of the following would be a correct step in proving that triangle abc is congruent to triangle cda? a. use a protractor to measure the angles and show that all the corresponding angles are equal in measure. this will allow you to prove congruence by aaa. b. show that segment ab is parallel to segment cd and segment ad is parallel to segment cb. this will allow you to prove congruency by asa. c. show that is segment ab is perpendicular to segment ad. this will allow you to prove congruence by sas. d. none of the above.

Without any equipment, you can see stars that are 2{,}800{,}0002,800,0002, comma, 800, comma, 000 light-years away. by looking through a small telescope, you can see stars that are 3{,}112{,}000{,}0003,112,000,0003, comma, 112, comma, 000, comma, 000 light-years away. approximately how many times as far can you see using a small telescope as without any equipment?