The area of Alaska is about 483 times the area of Rhode Island. The area of Alaska is 1,519,202 square km. What is the area of Rhode Island? (Write an equation that can be used to solve the prob. Do NOT solve.)
see student answers
Oops!
Check
Okay!
Check
25
Simplify. [9 - 2(5 - 4)]
7
Oops!
Check
Okay!
Check
15
The area of Lake Superior is about 4 times the area of Lake Ontario. The area of Lake Superior is 78,114 square km. what is the area of Lake Ontario? (Write an equation that can be used to solve the prob. Do NOT solve.)
see student answers
Oops!
Check
Okay!
Check
10
Rename the additive inverse without parentheses. -(4a - 3b + 7c)
-4a + 3b - 7c
Oops!
Check
Okay!
Check
15
2.7, #25
see student answers
Oops!
Check
Okay!
Check
20
2.9, #19 (Write an equation that can be used to solve the prob. Do NOT solve.)
see student answers
Oops!
Check
Okay!
Check
5
Multiply. 7(x - 2)
7x - 14
Oops!
Check
Okay!
Check
heart
Other team wins 20 points!
Oops!
rocket
Go to first place!
Okay!
shark
Other team loses 10 points!
Okay!
lifesaver
Give 15 points!
Oops!
15
What are the terms in the expression 7x + 8y - 9z?
7x, 8y, -9z
Oops!
Check
Okay!
Check
trap
No points!
Oops!
rocket
Go to first place!
Okay!
shark
Other team loses 25 points!
Okay!
baam
Lose 5 points!
Oops!
5
Multiply. -4(x - 3y - 2z)
-4x + 12y + 8z
Oops!
Check
Okay!
Check
25
Simplify. [7(x + 5) - 19] - [4(x - 6) + 10]
3x + 30
Oops!
Check
Okay!
Check
10
The height of the Eiffel Tower is 295 m, which is about 203 m higher than Statue of Liberty. What is the height of the Statue of Liberty? (Write an equation that can be used to solve the prob. Do NOT solve.)
