Proving Vertical Angles Are Congruent Try it
Statements Reasons
✓x
Given: 22 and 24 are vertical
angles.
Prove: 223 24
subtraction property
def. of a linear pair
substitution property
angle addition postulate
m
1
Reasons
2
1. given
Statements
✓ 1. Z2 and 24 are vert, angles
2. lines m and n intersect at P
*
3. Z 2 and 23 are a linear pair
P
n
4
2. def. of vertical angles
3. def. of a linear pair
3

An advertising firm has an old computer that can prepare a whole mailing in 6 hours. with the of newer model the job is complete in 2 hours. how long would it take the newer model to do the job alone?

The vertex of this parabola is at (-2,-3). when the x-value is -1, the y-value is -5. what is the coefficient of the squared expression in the parabola's equation?

Students at a high school were asked about their favorite outdoor activity. the results are shown in the two-way frequency table below. fishing camping canoeing skiing total boys 36 44 13 25 118 girls 34 37 22 20 113 total 70 81 35 45 231 select all the statements that are true based on the given table. more girls chose camping as their favorite outdoor activity than boys. more girls chose canoeing as their favorite outdoor activity than those who chose skiing. more boys chose skiing as their favorite outdoor activity than girls. there were more boys surveyed than girls. twice as many students chose canoeing as their favorite outdoor activity than those who chose fishing. more students chose camping as their favorite outdoor activity than the combined number of students who chose canoeing or skiing.