Answer:
A. (U+V)^2 or (U-V)^2
Step-by-step explanation:
Answer:
a
Step-by-step explanation:
A) 2(1+2c)
2+4c = 2+4c
B) 6(14r-2t)
= 84r-12t
X × 75% = £45
x = £45 / 75%
x = £45 / 0,75
x = £60
Answer:

Step-by-step explanation:
The number of red marbles in the bag is;
.
The number of blue marbles in the bag is;
.
The number of white marbles in the bag is;
.
The total number of marbles in the bag is:
.
The probability of selecting a blue marble is 
We substitute the given information to obtain:

We simplify to obtain:
