For questions 4 and 5, use laws of complementary and supplementary angles to find values of x. I'm not too sure about what question 10 is asking.
Hope I helped :)
Well you would do 6% times 2000 (.06 *2000) 120
What do you need help will I don't see an question or anything
Remember that slope-intercept form is y = mx + b where m = the slope and b = the y-intercept. Just add the information given into the formula:
y = 7x - 8