Answer:
30 marbles.
Step-by-step explanation:
Let Fatimah,Siti and Noraini has 4x, 5x and 6x marbles.

Hence, Siti received 30 marbles.
Answer:
If the value of a is negative the line is decreasing.
Step-by-step explanation:
The value of a, the coefficient of x, is the slope.
If the slope is positive, the line is increasing from left to right.
If the slope is negative, the line is decreasing from left to right.
The total distance it travels is 86 inches.
We start out with 30 inches. Each successive time we add 65% of this. This can be represented as:
30(0.65)ˣ
When we take the sum of these terms, it approaches 86.
Answer:
No.
Step-by-step explanation:
40 + 32 + 11 = 83 things
Answer:
3 times 9
or 4 times 7 minus 1
Step-by-step explanation: