Cho a, b là hai số thực dương. Chứng minh rằng: 1/(a+1)^2+1/(b+1)^2>= 1/1+ab

a reflection across the x-axis , followed by the by a reflection across the y-axis , and then a scale dilation of 0.5 .

c

c

c

c

c

c

c

cc

c

step-by-step explanation:

step-by-step explanation:

the car was traveling 40 mph before it started skidding. ( 2 points ) 17. was the driver were her brakes working at 75% efficiency or better? ( 2 points ) yes 29.

step-by-step explanation: