Answer:he started with 20
Step-by-step explanation:
Answer:
Step-by-step explanation:
4y - 16 + 68 = 180
4y + 52 = 180
4y = 128
y = 32
2x - 24 = 68
2x = 92
x = 46
Answer:
Step-by-step explanation:
3x^2 = 24
devide by 3
x^2 = 8
x =2.828427125
Remember to change into a top heavy fraction, so 9 1/2 - 6 1/2 =

, so 19-3 =16; so 16/2 =8
Answer:

Step-by-step explanation:
add 5 and 6 because they have the same base z