An object is launched from a platform. its height (in meters) , x seconds after the launch, is modeled by h(x) = -5(x+1)(x-9) what is the height of the object at the time of launch?

How many of the 250 grandparents in the population would you expect to prefer online shopping with merchant a? merchant a: 4 merchant b: 6 merchant c: 2 merchant d: 3 other: 5 none: 5 answer choices: a. about 4 b. about 8 c. about 40 d. about 21

Evaluate the expression. (9 + 5)(3 + 2)0

Is experimental probibilty the same as the observed frequency in math? i need the answer asap!