Cheryl spends 3/10 of her savings on a book and 2/5 of it on a pen. what fraction of her savings does cheryl spend.

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.

Identify a1 and r for the geometric sequence an= -256(-1/4) n-1

What is the absolute value of the complex number -4-sqrt2i