ABCD is a quadrilateral. Work out the size of y.
B
2y
A
68°
Y + 48
С
D

*let m∠cob = 50°30’, m∠aob = 70° and m∠aoc = 20°30’. could point c be in the interior of ∠aob? why?

The first week samantha learned to read braille, she could read 10 words per minute. in the second week she increased her speed by 20%. in the third week she increased her speed again by another 25%. how many words could she read per minute by the third week? hurry and tell me!

The quotient of 15 and a number is 1 over 3 written as an equation