Use the drop-down menus to label each structure.
This structure controls which materials enter and exit
the cell.
This structure is composed of a gel-like substance.
This structure helps process proteins.

1.This structure controls which materials enter and exit the cell.

2.This structure is composed of a gel-like substance.

3.This structure helps process proteins.

1. A

2. C

3. B

Step-by-step explanation: I just did the assignment.

HOPE THIS HELPS!

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

i need a picture

step-by-step explanation: