What will be the sign of the product a x b if i) a is the product of 5 positive integers and b is the product of 9 negative integers.
ii) a is the product of 6 positive integers and b is the product of 8 negative integers.
iii) a is positive and be is the product of 50 negative integers.
Pls help asappp!!!

The weight of an object in the water is 7% of its weight out of the water. what is the weight of a 652g object in the water?

Is there a direction u in which the rate of change of f(x,y)equals=x squared minus 3 xy plus 4 y squaredx2−3xy+4y2 at p(1,2) equals 14? give reasons for your answer. choose the correct answer below. a. no. the given rate of change is smaller than the minimum rate of change. b. no. the given rate of change is larger than the maximum rate of change. c. yes. the given rate of change is larger than the minimum rate of change and smaller than the maximum rate of change.

Find the equation of the ellipse with the following properties. the ellipse with foci at (0, 6) and (0, -6); y-intercepts (0, 8) and (0, -8).edit: the answer is x^2 over 28 + y^2 over 64 = 1