Find the missing factor.-2x8y8 = xy ? ?
A. -2x9y9
B. x9y9
C. -2x7y7
D. x7y7
Answer: C
You might also like to view...
Solve the problem.If a circle of radius 2 is made to roll along the x-axis, what is the equation for the path of the center of the circle?
A. y = 2 B. y = 4 C. x = 2 D. y = 0
Evaluate the integral.
dx
A. -5
B. 5
C. - 
e2
D. 0
Use integration by parts to find the integral.
ln 4x dx
A. 
x3 ln 4x + 
x3 + C
B. ln 4x - 
x3 + C
C. 
x3 ln 4x - 
x4 + C
D. 
x3 ln 4x - 
x3 + C
Solve the problem.In Miguel's home town, the percentage of women who smoke is increasing while the percentage of men who smoke is decreasing. The function 
models the percentage, y, of women in this city who smoke x years after 1990. The function 
models the percentage, y, of men in this city who smoke x years after 1990. Use these models to determine when the percentage of women who smoke will be the same as the percentage of men who smoke. Round to the nearest year. What percentage of women and what percentage of men (to the nearest whole percent) will
smoke at that time? A. 2025; 23% B. 2022; 23% C. 2023; 23% D. 2024; 23%