We know that π = 180°, therefore:
1.

Answer: correct
2.

Answer: no correct
3.

Answer: no correct
4.

Answer: correct
5.

Answer: correct
Answer:
1/2
The LCD is 40, so find the rest using expressions and comparisons.
5/8 × 4/5 = 20/40
20 ÷ 20 = 1
40 ÷ 20 = 2
1% of 1100 is 11
Hope it helped :)
Answer:
D. 
Step-by-step explanation:
Firstly, we know it's close to 6.75, so we can compute 6.75*6.75 and the product should be close to whatever's under the
. 6.75*6.75 = 45.5625, so we can already answer.
We could also figure out why other answers are bad.

Answer:
Inequality :

Step-by-step explanation:
Let the unknown number be x
at most -70 = ≤ -70

Solving further :
