Number 1 is 2.5, hope this helps a bit!
Answer:
1.
( in this inequality, the time can be less than or equal to 45, but no more than 45)
2.
(Mario's height is more than 60.)
3.
(More than 8000 fans attended.)
x^2 +7x +10
when factored becomes
(x+2) (x+5)
the zeros are x +2 = 0, x = -2
x +5 = 0 x = -5
zeros are -2 and -5
the answer is 20
1/10 of 200 is 200* 1/10 = 200/10 which is 20