20 pts if correct and will mark brainliest

B) ¼

Step-by-step explanation:

Odd no.s: 1, 3, 5

P(odd) = 3/6 = 1/2

P(Heads) = 1/2

P(odd & heads)

1/2 × 1/2

1/4

-3.396 = -3.4

-0.708 = -0.7

0.304 = 0.3

0.955 = 1

x = ±sqrt(10)

step-by-step explanation:

5 - 2x² = -15

subtract 5 from each side

5-5 - 2x² = -15-5

-2x^2   = -20

divide by -2 on each side

-2x^2   /-2= -20/-2

x^2 =10

take the square root on each side

sqrt(x^2 )=±sqrt(10)

x = ±sqrt(10)

check:

5 - 2x² = -15

+sqrt(10)

5 - 2(sqrt(10))² = -15

5 -2(10) = -15

5 -20 = -15

-15 = -15

-sqrt(10)

5 - 2(-sqrt(10))² = -15

5 -2(10) = -15

5 -20 = -15

-15 = -15