Question

please solve and send me​

Answer 1

Answer:

1. ans option C

3 ans option B

Step-by-step explanation:

4x+5y=19 y at x=1

put x=1

5y=19-4=15

y=15/5=3

hence the ans is 3

3.to get the eqn from roots the formula is

x^2-(A+B)x+AB=0

roots are 3,5

hence u get x^2-8x+15=0

Answer 2

Answer:

1)(c)

2)(b)

3)(b)

4)(a)

5)(c)

6)(a)

7)(d)

Step-by-step explanation:

hope it will help you