The answer is 45 i took the test i got it correct
Answer:D) 1 hr
Step-by-step explanation:
Given
Pump A and B can fill tank in 
Pump A and C can fill tank in 
Pump B and C can fill tank in 
Let A be the total hr taken A therefore rate of 
Let B be the total hr taken B therefore rate of 
Let C be the total hr taken C therefore rate of 
-----1
-----2
-----3
Adding 1,2 & 3



thus time taken by A,B and C combined is 1 hr
Step-by-step explanation:
The vertex is the point (-4, 7).
Answer:
Triangle AEC can be proved congruent to triangle BED by St= 8x2 .
Step-by-step explanation:
We can use substitution to solve this equation in here y=6 and x=0 .
Hope this help you !