Determine if the expression is a perfect square and if it is, factor it.
a2 – 8a + 16
a.
(a + 4)(a – 4)
b.
(4a + 1)2
c.
(a – 4)(a – 4)
d.
not a perfect square

Which statement is always true? a negative exponent cannot be part of an expression's numerator. a negative base raised to the power of 2 has a negative value. a negative base raised to the power of 2 has a positive value. any number to the first power is zero.

Ataxi cab charges $1.75 for the flat fee and $0.25 for each time. write an in equality to determine how many miles eddie can travel if he has $15 to spend.

What is the first quartile of the data set? 10, 11, 12, 15, 17, 19, 22, 24, 29, 33, 38 a. 12 b. 19 c. 29 d. 10