Simplify the following: 1.√7 × √7
2.√18 × √2
3.√45
4.√50/5
5.2√2 × 4√5
6.√48 - √12
7.(2-√3) (1+√3))

1. 7

2. 6

4?

5.

6.

7.

Step-by-step explanation:

1.

2.

3.

4. here there are two cases

5.

6.

7.

(d)

step-by-step explanation:

given: the line in the graph passes through points (5,30) and (6,26).

then, the equation of line is:

now, put y=a(n) and x=n,

hence, option d is correct.

take it another