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He washes 60 sq ft in 1/4 of an hour. Multiply 60 by 4 and you get 240 per hour
Answer:
ha 69
Step-by-step explanation:
But thanks for the points
Answer: the last one
Step-by-step explanation: because 7 times 24 equals 168 and x would be 21 so 21 times 8 equals 168.
Answer:
X = 9, -1
Step-by-step explanation:
1, Factor it
(x-9) (x+1) = 0
2. Both of a factor will = 0
x-9 = 0
x+1=0
3. Solve
x=9
x=1
729, <span>â6561 is the answer</span>