Let a = -2.5, b = -4.1, c = 7.8, and d = 3.2
6. evaluate (a + b) / (c – d)
the final answer should have no decimals in the numerator, denominator, or final answer. (hint: multiply the top and bottom of your fraction answer by 10, then simplify the fraction.)
7. evaluate (b + d)2/a - c

The focus of parabola is (-4, -5), and its directrix is y= -1. fill in the missing terms and signs in parabolas equation in standard form

One of every 20 customers reports poor customer service on your company’s customer satisfaction survey. you have just created a new process that should cut the number of poor customer service complaints in half. what percentage of customers would you expect to report poor service after this process is implemented? 1.) 5% 2.) 10% 3.) 2% 4.) 2.5%

12 3 4 5 6 7 8 9 10time remaining01: 24: 54which graph represents this system? y=1/2x + 3 y= 3/2x -1