1.
Solve the quadratic equation using quadratic formula :

x2 – 7x + 12 = 0

Step-by-step explanation:

The quadratic formula is

For us, a = 1, b = -7, and c = 12. Filling in the formula then looks like this:

which simplifies to

and

and

or

Th 22 solutions are x = 3 and x = 4.

$450.00 for 6 weeks

or

$300

step-by-step explanation:

$200.00 for first week $50.00 x5 equals $250 plus $200 equals $450.00 for six weeks.

$200 for first week

$200 x 0.10 = $20

$20 x 5 = $100

$200 + $100 = $300

it is contrapositive

i could not see the question too well so check yourself again too . this is because i want you to get it correct.