1) Which of the following numbers is a pure imaginary number? A: -32
B: 45
C: 2+8i
D: -5i

1B) which of the following numbers is NOT an imaginary number?
A: 24+7i
B: 45i
C: 62
D: -4+5i

The manufacturer of a new product developed the following expression to predict the monthly profit, in thousands of dollars, from sales of the productwhen it is sold at a unit price of x dollars.-0.5x^2 + 22x - 224what is represented by the zero(s) of the expression? a. the profit when the unit price is equal to 0b. the unit price(s) when the profit is equal to 0c. the profit when the unit price is greatestd. the unit price(s) when profit is greatest

The acceleration of an object due to gravity is 32 feet per second squared. what is acceleration due to gravity in inches per second squared?

An elevator travels 310 feet in 10 seconds. at that speed, how far can't his elevator travel in 12 seconds?