What value of n makes this equation true?

40 + 10 = n

+ 12

Caleb has d dollars in his piggy bank. Write an expression for the amount in the piggy bank if Caleb adds 9 dollars.

Angles S and T are corresponding angles formed by two parallel lines cut by a transversal. If m S = 6x and mZT = 3x + 12, find the value of x.

How to do steps to write 0.555 as a fraction?

if a hospital patient is given 50 milligrams of medicine which leaves the bloodstream at 10% per hour, how many milligram of medicine will remain in the system after 6 hours?

Liliana takes 4 breaths per 10 seconds during yoga. At this rate, about how many breaths would Liliana take in 2 minuets of yoga?

Between which two consecutive whole numbers does the square root of 38 lie?

5 hundreds 5 tens x 10

What number is 7/13 of 143

Jodie walked5/8 mile this morning. Her sister walked 2/3 as far as Jodie, How far did her sister walk?

Is it possiable that the orientation of a figure could change after it is translated