PLS HELP! QUICK!! Darren makes $10 per hour. Next semester, he will be making $14 per hour. What rate of increase does this represent? Round the answer to the nearest tenth of a percent.

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What is 1/2 x (6 x 4)+3 + 2 show your work

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?

Y= 4x + 3 y = - 1 4 x - 5 what is the best description for the lines represented by the equations?