Answer:
He should have got 40
Step-by-step explanation:
680 / 45 = 15.11
45 x 16 = 40
Answer:
37
Step-by-step explanation:
2x+7=?
X=6
2(6)+7=
12+7=19
In six years, the tree will be 19ft
2x+7=44
Minus seven on both sides
2x=37
Divide two from both sides
X=18.5
Thus, it will take 18 and a half years for the tree to reach 44ft
Answer: 4
Step-by-step explanation:
33/8 = 4.13. round it into 4
Answer:
(5a - 8) + (2a² + 2a − 1) = 2a² + 7a - 9 - <u>correct.</u>
Step-by-step explanation:
(5a - 8) + (2a² + 2a − 1) = 2a² + 7a - 9 - <u>correct;</u>
(6² +6b-4) (3b +6²) = 26² +36-4 - incorrect (correct is: 18b²+...36²);
(9c-4c²) - (2c² + c) = -6c² + 10c - incorrect (correct is: -6c² + 8c).