Answer:
29.4
Step-by-step explanation:
if 5 painters takes 21 hours that makes it 4.5 per person so multiply that by 7 and there you go!
In this case, 7 is being added to the odometer which already reads 78. If you add 7 to 78, you get 85. Meaning y = 85!
Answer:
Step-by-step explanation:
Use Pythagorean theorem
Hypotenuse² = base² + altitude²
= 9² + 10²
= 81 + 100
= 181
hypotenuse = √181