Answer:
The correct answers are:
a)
b)36252.6 tenths miles÷ 69 tenths hours
c)
d)
e) 525.4 miles/h
Step-by-step explanation:
The division is solved by using the division algorithm in the attached picture.
4x^2 +20x +25
(2x+5)(2x+5)
Answer:
4,9
Step-by-step explanation:
(1). 4,9 are not prime number
(2) 4=1×2×2
9 = 1×3×3
so,
HCF of 4,9 will be
= 1.