Answer: A.n = 4/7
have:

Step-by-step explanation:
Answer:
1.5 per minute
Step-by-step explanation:
unit rate is how many in 1 minute so 45 divided by 30 is 1.5 and if you want to check your answer do 1.5 x 30 which is 45
Answer:
1. 5.67232
2. 1.0472
5. 9.94838
6. -5.49779
7. 2.24746048
10. -0.0161006623
Step-by-step explanation:
Those were the only ones I could help on, sorry I couldn't help on the other ones.
We know that
[area of <span>Martha's bathroom]=5*7-----> 35 ft</span>²
[area of one tiles]=(1/4)²-----> 1/16 ft²
if 1 tile has area of--------------> 1/16 ft²
x tiles---------------------------> 35 ft²
x=35/(1/16)-----> x=35*16-----> x=560 tiles
the answer is
560 tiles