What happens to a sphere if you double the length of its radius? Check all that apply. The sphere gets bigger.
The sphere gets smaller.
The diameter doubles.
The diameter quadruples.
The surface area doubles.
The surface area quadruples.

The Boston Massacre was a deadly riot that happened on March 5,1770. It started as a street brawl between American colonists and a lone British solider,but quickly escalated to chaotic,bloody slaughter. This conflict energized anti-Britsh sentiment and made it to American Revolution.

Step-by-step explanation:

answer: standard form is ax^2 + bx + c = 0

step-by-step explanation:

standard form is ax^2 + bx + c = 0

(2x + 1)(x - 2) = 0

distribute to get into standard form

2x^2 - 4x + x - 2 = 0

2x^2 - 3x - 2 = 0

a = 2, b= -3, c = -2

a is your answer