Solve 2x2 + 3x = 20. A. x = −10 and x = 3
B. x = five over two and x= −4
C. x = 5 and x = 2
D. x = negative five over two and x = −4

Successful implementation of a new system is based on three independent modules. module 1 works properly with probability 0.96. for modules 2 and 3, these probabilities equal 0.95 and 0.90. compute the probability that at least one of these three modules fails to work properly.

If the cost to mail a package is an initial $5 and $0.28 for every pound the total cost to mail a package was $11.27, how much did the package weigh?

Pranza plotted point a in the coordinate plane below.