Answer:
24:28
Step-by-step explanation:
Alice got 24 problems correct.
She also got 4 problems incorrect.
28 is the total amount of problems because of 24+4=28.
Hope this helps =]
Answer:
1)
2)
3)
4)2
Step-by-step explanation:
1) 5x + 3y = 8
3y=8-5x

hence intercept is 
2) 10x + 6y - 12 = 4
10x + 6y = 16
6y=16-10x

hence intercept is 
3) 2x – 3y = 5
3y=2x-5

hence intercept is 
4) 3x + 2y = 1
2y=-3x+4

hence intercept is 2
Answer:
15
Step-by-step explanation:
√36 = 6
√256 = 16
√49 = 7
√36 + √256 - √49
= 6 + 16 - 7
= 22 - 7
= 15