What is the slope-intercept form of the equation of a line that passes through (5, -4) and has a slope of '3/4'? a) 'y = -(3)/(4) x -(1)/(4)' b) 'y = 3/4 x +(1)/(4)' c) 'y = 3/4 x -(31)/(4)' d) 'y = 3/4 x +(31)/(4)' ( don't answer if you don't know for sure. if your answer is incorrect or not explained i will report and take points back)

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?

Bob is putting books on a shelf and takes a break after filling 18 1/2 inches on the book shelf. the book shelf is now 2/3 full. how long is the entire bookshelf?

Each person in an it department of 25 people works on at least one of 3 major projects: system security, program implementation, platform development. 10 people work on system security, 13 work on program implementation, and 12 work on platform development. 4 people work on system security and platform development, 5 people work on program implementation and platform development, and 2 people work on all three projects. how many people work on system security and program implementation?