Four whole numbers are each routined to the nearest 10 The sum of the 4 rounded numbers is 90 what is the maximum sum of the original number

Which fraction is not equivalent to 8/12 a. 2/3 b. 24/36 c. 4/10 d. 6/10

If 3x+8=3x+8 is it one solution or no solution

1) in triangle the, what is the measure of angle t (in degrees)? 2) in triangle bat, the measure of angle b is 66∘, and the measure of angle t is 77∘.what is the measure of the exterior angle at a (in degrees)?