Factor 2x 4 - 20x 2 - 78.
a) 2(x2 - 3)(x2 - 13)
b). 2(x2 + 3)(x2 - 13)
c). 2(x2 - 3)(x2 + 13)

Asurvey of 2,000 doctors showed that an average of 3 out of 5 doctors use brand x aspirin.how many doctors use brand x aspirin

Joe has some money in his bank account he deposits 45$ write an expression that represents the amount of money in joe's account

Which number line correctly shows 0.8 + 0.3?