the answer should be 1/5 because its one out of all the five choices
Answer:
87$
Step-by-step explanation:
90 + 27 = (9 * 10)+ (9 * 3)
= 9 * ( 10+3) = 9 * 13
= 117
6x + ( 3x - 9) = 90°( being complementary angles )
6x+3x -9 = 90°
9x = 90° + 9
x = 99 / 9
x = 11