What is the slope of a line that is perpendicular to the line y= -1/2x +5?

a(-2

b(- 1/2

c( 1/2

d( 2

What are the constants in this expression? -10.6+9/10+2/5m-2.4n+3m

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b

The computer that controls a bank's automatic teller machine crashes a mean of 0.6 times per day. what is the probability that, in any seven-day week, the computer will crash less than 5 times? round your answer to four decimal places