Karras
5) What is the sum of the measures of the interior angles of an octagon?
(n-2)180
(8-2)180
6(180)
1,080
40) Scale: 1 inch = 8 miles.
Convert 3.25 inches.
26 miles
47) A spinner numbered 1-8 is spun twice. P(8, odd)
1/16
2) Evaluate:
7(8(3) / (15-9))
28
11) 7 = x/21
x = 147
10) In which quadrant on the coordinate plane is
point (-5, 7)
Quadrant ll
37) Corey drove 170 miles in 2.5 hours. How far will she drive in 4 hours?
272 miles
27) sixteen of the 80 dogs at a kennel are golden retrievers. What percent of the dpogs at the kennel are golden retrievers?
20%
What is the normal body temperature?
98.6
21) -7x > 56 (greater than or equal to)
x < -8 (x is less than or equal to -8)
48) The volume of the pyramid is 560 cubic units. What is the height?
h = 30 cubic units
35) Tower has 60 inch shadow. A 4.5 foot tall statue casts a 15 inch shadow. How tall is the tower?
18 feet.
How many states border Pennsylvania?
6
Maryland, Delaware, NY, NJ, Ohio, West Virginia
6) Which is false. a = 2 and b = -2
A) lbl = a
B) lbl > 0
C) lbl = lal
D) lbl < 0
D) lbl < 0
A checker board has how many squares?
64
Water freezes at what fahrenheit temperature?
32
43) May prediction of 3.4 inches of rain. The actual rainfall was 5.6 inches. Find the percent error to the nearest tenth.
39.28%
8)Find the mean:
4, 3, 7, 6, 5
5
23) Solve.
15(x - 6) = -45
x = 3
12) 2x + x - 27 = 3
x = 10
33) Find the distance around a circular track if the radius is 50 yards.
314 yards
How many bones are in your body?
206 bones
17) Temperature dropped 20 degrees in four hours. What is the mean hourly temperature change?
-5
20) What is the decimal equivalent for 9/11?
0.81 (repeating 81)
19) -2.2 + 0.3z = 3 - 0.5z - 0.8z
z = 3.25