Find the prime factorization of 60
2 x 2 x 3 x 5
(2.7 x 103) (2.3 x 105)
6.21 x 108
-22
-4
A traffic light casts a shadow of 24.5 feet long. A girl who is 4 foot tall casts a shadow 5.2 feet long.How tall is the traffic light?
18.8ft
1288
Order the numbers from least to greatest
-1/3, -3, -0.3, 0.3
-3, -1/3, -0.3, 0.3
(1.4 x 105)(3.1 x 104)
4.34 x 109
4c2 + 3cd2 - c2 + 5cd2 - c2
2c2 + 8cd2
A tree is 12 feet tall and casts a shadow of 22 feet. A person is 5 feet tall and casts how long of a shadow?
9.2
3, 12, 21, 30, .....
+ 9
How does a large scale on a graph make the data look misleading?
A large scale makes data look closer than it actually is
(3a4b5)2
9a8b10
Use the formula F = 9/5 C + 32 to find Celsius when the Fahrenheit temperature is 180 degrees.
68
-0.7x + 0.7 = 5.6
-7
Is this an arithmetic sequence?
Find the next two terms.
3, 12, 21, 30, ....
yes, 39, 48
I ask students on the volleyball team what their favorite sport is. Why is this biased?
You are asking only a particular group of students involved in a sport.
(2a3b2)3
8a9b6
Use the F = 9/5 C + 32 to find the degrees in Celsius when Fahrenheit is 185 degrees.
85
1/7
5b - 6 - 9b + 2 = 3
- 7/4
Solve
-3(3y - 7) = 21 - 9y
-9y + 21 = 21 - 9y
same on both sides so this is Identity (infinite solutions)
-42
-16
(A on the back board)
x2yn2/m + 2/x6n4
(B on back board)
(xym + 5/x10m4)
One pretzel has 35 calories. Write an algebraic expression for the total number of calories in p pretzels
35p