Question 8
This dot plot shows the number of cakes sold each day in Aunt
Alice's Cake Shop last month.
What is the range of the data?
Aunt Alice's Cake Shop
000
1 2
7
8
9
3 4 5 6
Cakes Sold (each day)
1

70

step-by-step explanation:

2*5=10

4*15=60

60+10=

70

answer: x=3 and y=4

step-by-step explanation:

second option

step-by-step explanation:

the measures of a triangle equal 180. use that to find x.

2x+3x+4x=180

9x=180

9x/9=180/9

x=20

now you know x, you know angle a is 40°, angle b is 60°, angle c is 80°.

because angle a is 40°, the first option doesn't work.

because angle b is 60°, the second option does work.

when you add angle a and b, you get 100°. complementary means it equals 90°, so the third option doesn't work.

when you add angle a and c, you get 120°, which is not 100.

step-by-step explanation: